Home / 31,363,657.60-47,045,486.40-30,523,849.60

Finding the Fourth Proportional to 31,363,657.60, 47,045,486.40 and 30,523,849.60

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Solution

The fourth proportional to 31,363,657.60, 47,045,486.40 and 30,523,849.60 is: 45,785,774.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,363,657.60 : 47,045,486.40 = 30,523,849.60 : x
  2. Step 2: Convert to fraction form
    31,363,657.60/47,045,486.40 = 30,523,849.60/x
  3. Step 3: Cross multiply
    31,363,657.60x = 47,045,486.40 × 30,523,849.60
  4. Step 4: Simplify right side
    31,363,657.60x = 1,436,009,351,232,445.50
  5. Step 5: Solve for x
    x = 1,436,009,351,232,445.50/31,363,657.60
  6. Step 6: Final answer
    x = 45,785,774.40

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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.