Home / 89,489,691.90-123,425,812.56-58,137,842.46

Finding the Fourth Proportional to 89,489,691.90, 123,425,812.56 and 58,137,842.46

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Solution

The fourth proportional to 89,489,691.90, 123,425,812.56 and 58,137,842.46 is: 80,184,770.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,489,691.90 : 123,425,812.56 = 58,137,842.46 : x
  2. Step 2: Convert to fraction form
    89,489,691.90/123,425,812.56 = 58,137,842.46/x
  3. Step 3: Cross multiply
    89,489,691.90x = 123,425,812.56 × 58,137,842.46
  4. Step 4: Simplify right side
    89,489,691.90x = 7,175,710,446,110,770
  5. Step 5: Solve for x
    x = 7,175,710,446,110,770/89,489,691.90
  6. Step 6: Final answer
    x = 80,184,770.94

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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.