Home / 96,768,009.60-145,152,014.40-39,287,817.60

Finding the Fourth Proportional to 96,768,009.60, 145,152,014.40 and 39,287,817.60

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Solution

The fourth proportional to 96,768,009.60, 145,152,014.40 and 39,287,817.60 is: 58,931,726.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,768,009.60 : 145,152,014.40 = 39,287,817.60 : x
  2. Step 2: Convert to fraction form
    96,768,009.60/145,152,014.40 = 39,287,817.60/x
  3. Step 3: Cross multiply
    96,768,009.60x = 145,152,014.40 × 39,287,817.60
  4. Step 4: Simplify right side
    96,768,009.60x = 5,702,705,866,019,774
  5. Step 5: Solve for x
    x = 5,702,705,866,019,774/96,768,009.60
  6. Step 6: Final answer
    x = 58,931,726.40

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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.