Home / 109,069,092,021.60-163,603,638,032.40-47,030,795,445.60

Finding the Fourth Proportional to 109,069,092,021.60, 163,603,638,032.40 and 47,030,795,445.60

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Solution

The fourth proportional to 109,069,092,021.60, 163,603,638,032.40 and 47,030,795,445.60 is: 70,546,193,168.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,069,092,021.60 : 163,603,638,032.40 = 47,030,795,445.60 : x
  2. Step 2: Convert to fraction form
    109,069,092,021.60/163,603,638,032.40 = 47,030,795,445.60/x
  3. Step 3: Cross multiply
    109,069,092,021.60x = 163,603,638,032.40 × 47,030,795,445.60
  4. Step 4: Simplify right side
    109,069,092,021.60x = 7,694,409,234,457,788,678,144
  5. Step 5: Solve for x
    x = 7,694,409,234,457,788,678,144/109,069,092,021.60
  6. Step 6: Final answer
    x = 70,546,193,168.40

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.