Home / 102,715,939.32-141,732,865.17-62,461,401.09

Finding the Fourth Proportional to 102,715,939.32, 141,732,865.17 and 62,461,401.09

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Solution

The fourth proportional to 102,715,939.32, 141,732,865.17 and 62,461,401.09 is: 86,187,532.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,715,939.32 : 141,732,865.17 = 62,461,401.09 : x
  2. Step 2: Convert to fraction form
    102,715,939.32/141,732,865.17 = 62,461,401.09/x
  3. Step 3: Cross multiply
    102,715,939.32x = 141,732,865.17 × 62,461,401.09
  4. Step 4: Simplify right side
    102,715,939.32x = 8,852,833,339,018,261
  5. Step 5: Solve for x
    x = 8,852,833,339,018,261/102,715,939.32
  6. Step 6: Final answer
    x = 86,187,532.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.