Home / 172,463,800.10-258,695,700.15-156,591,428.90

Finding the Fourth Proportional to 172,463,800.10, 258,695,700.15 and 156,591,428.90

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Solution

The fourth proportional to 172,463,800.10, 258,695,700.15 and 156,591,428.90 is: 234,887,143.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,463,800.10 : 258,695,700.15 = 156,591,428.90 : x
  2. Step 2: Convert to fraction form
    172,463,800.10/258,695,700.15 = 156,591,428.90/x
  3. Step 3: Cross multiply
    172,463,800.10x = 258,695,700.15 × 156,591,428.90
  4. Step 4: Simplify right side
    172,463,800.10x = 40,509,529,336,774,448
  5. Step 5: Solve for x
    x = 40,509,529,336,774,448/172,463,800.10
  6. Step 6: Final answer
    x = 234,887,143.35

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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.