Home / 102,267,122.31-141,129,059.78-57,613,630.15

Finding the Fourth Proportional to 102,267,122.31, 141,129,059.78 and 57,613,630.15

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Solution

The fourth proportional to 102,267,122.31, 141,129,059.78 and 57,613,630.15 is: 79,507,052.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,267,122.31 : 141,129,059.78 = 57,613,630.15 : x
  2. Step 2: Convert to fraction form
    102,267,122.31/141,129,059.78 = 57,613,630.15/x
  3. Step 3: Cross multiply
    102,267,122.31x = 141,129,059.78 × 57,613,630.15
  4. Step 4: Simplify right side
    102,267,122.31x = 8,130,957,452,902,017
  5. Step 5: Solve for x
    x = 8,130,957,452,902,017/102,267,122.31
  6. Step 6: Final answer
    x = 79,507,052.41

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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.