Home / 149,512,010.70-224,310,006.45-72,837,540.30

Finding the Fourth Proportional to 149,512,010.70, 224,310,006.45 and 72,837,540.30

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Solution

The fourth proportional to 149,512,010.70, 224,310,006.45 and 72,837,540.30 is: 109,276,766.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,512,010.70 : 224,310,006.45 = 72,837,540.30 : x
  2. Step 2: Convert to fraction form
    149,512,010.70/224,310,006.45 = 72,837,540.30/x
  3. Step 3: Cross multiply
    149,512,010.70x = 224,310,006.45 × 72,837,540.30
  4. Step 4: Simplify right side
    149,512,010.70x = 16,338,189,134,495,134
  5. Step 5: Solve for x
    x = 16,338,189,134,495,134/149,512,010.70
  6. Step 6: Final answer
    x = 109,276,766.85

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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.