Home / 96,570,003.70-144,855,005.55-85,820,461.30

Finding the Fourth Proportional to 96,570,003.70, 144,855,005.55 and 85,820,461.30

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Solution

The fourth proportional to 96,570,003.70, 144,855,005.55 and 85,820,461.30 is: 128,730,691.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,570,003.70 : 144,855,005.55 = 85,820,461.30 : x
  2. Step 2: Convert to fraction form
    96,570,003.70/144,855,005.55 = 85,820,461.30/x
  3. Step 3: Cross multiply
    96,570,003.70x = 144,855,005.55 × 85,820,461.30
  4. Step 4: Simplify right side
    96,570,003.70x = 12,431,523,397,915,060
  5. Step 5: Solve for x
    x = 12,431,523,397,915,060/96,570,003.70
  6. Step 6: Final answer
    x = 128,730,691.95

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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.