Home / 131,203,534.78-181,059,801.42-71,664,868.86

Finding the Fourth Proportional to 131,203,534.78, 181,059,801.42 and 71,664,868.86

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Solution

The fourth proportional to 131,203,534.78, 181,059,801.42 and 71,664,868.86 is: 98,896,930.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,203,534.78 : 181,059,801.42 = 71,664,868.86 : x
  2. Step 2: Convert to fraction form
    131,203,534.78/181,059,801.42 = 71,664,868.86/x
  3. Step 3: Cross multiply
    131,203,534.78x = 181,059,801.42 × 71,664,868.86
  4. Step 4: Simplify right side
    131,203,534.78x = 12,975,626,924,581,940
  5. Step 5: Solve for x
    x = 12,975,626,924,581,940/131,203,534.78
  6. Step 6: Final answer
    x = 98,896,930.99

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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.