Home / 102,172,487.70-141,115,326.21-74,418,845.34

Finding the Fourth Proportional to 102,172,487.70, 141,115,326.21 and 74,418,845.34

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Solution

The fourth proportional to 102,172,487.70, 141,115,326.21 and 74,418,845.34 is: 102,783,438.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,172,487.70 : 141,115,326.21 = 74,418,845.34 : x
  2. Step 2: Convert to fraction form
    102,172,487.70/141,115,326.21 = 74,418,845.34/x
  3. Step 3: Cross multiply
    102,172,487.70x = 141,115,326.21 × 74,418,845.34
  4. Step 4: Simplify right side
    102,172,487.70x = 10,501,639,636,325,640
  5. Step 5: Solve for x
    x = 10,501,639,636,325,640/102,172,487.70
  6. Step 6: Final answer
    x = 102,783,438.80

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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.