Home / 142,557,182.03-196,728,937.90-77,367,086.03

Finding the Fourth Proportional to 142,557,182.03, 196,728,937.90 and 77,367,086.03

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Solution

The fourth proportional to 142,557,182.03, 196,728,937.90 and 77,367,086.03 is: 106,766,593.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,557,182.03 : 196,728,937.90 = 77,367,086.03 : x
  2. Step 2: Convert to fraction form
    142,557,182.03/196,728,937.90 = 77,367,086.03/x
  3. Step 3: Cross multiply
    142,557,182.03x = 196,728,937.90 × 77,367,086.03
  4. Step 4: Simplify right side
    142,557,182.03x = 15,220,344,663,398,232
  5. Step 5: Solve for x
    x = 15,220,344,663,398,232/142,557,182.03
  6. Step 6: Final answer
    x = 106,766,593.21

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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.