Home / 97,987,010.78-146,980,901.33-39,695,789.88

Finding the Fourth Proportional to 97,987,010.78, 146,980,901.33 and 39,695,789.88

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Solution

The fourth proportional to 97,987,010.78, 146,980,901.33 and 39,695,789.88 is: 59,543,840.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,987,010.78 : 146,980,901.33 = 39,695,789.88 : x
  2. Step 2: Convert to fraction form
    97,987,010.78/146,980,901.33 = 39,695,789.88/x
  3. Step 3: Cross multiply
    97,987,010.78x = 146,980,901.33 × 39,695,789.88
  4. Step 4: Simplify right side
    97,987,010.78x = 5,834,522,975,519,074
  5. Step 5: Solve for x
    x = 5,834,522,975,519,074/97,987,010.78
  6. Step 6: Final answer
    x = 59,543,840.85

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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.