Home / 172,779,332.31-259,234,270.70-103,740,274.85

Finding the Fourth Proportional to 172,779,332.31, 259,234,270.70 and 103,740,274.85

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Solution

The fourth proportional to 172,779,332.31, 259,234,270.70 and 103,740,274.85 is: 155,649,603.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,779,332.31 : 259,234,270.70 = 103,740,274.85 : x
  2. Step 2: Convert to fraction form
    172,779,332.31/259,234,270.70 = 103,740,274.85/x
  3. Step 3: Cross multiply
    172,779,332.31x = 259,234,270.70 × 103,740,274.85
  4. Step 4: Simplify right side
    172,779,332.31x = 26,893,034,491,142,428
  5. Step 5: Solve for x
    x = 26,893,034,491,142,428/172,779,332.31
  6. Step 6: Final answer
    x = 155,649,603.06

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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.