Home / 144,002,731.54-198,724,296.45-77,923,230.49

Finding the Fourth Proportional to 144,002,731.54, 198,724,296.45 and 77,923,230.49

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Solution

The fourth proportional to 144,002,731.54, 198,724,296.45 and 77,923,230.49 is: 107,534,343.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,002,731.54 : 198,724,296.45 = 77,923,230.49 : x
  2. Step 2: Convert to fraction form
    144,002,731.54/198,724,296.45 = 77,923,230.49/x
  3. Step 3: Cross multiply
    144,002,731.54x = 198,724,296.45 × 77,923,230.49
  4. Step 4: Simplify right side
    144,002,731.54x = 15,485,239,156,236,436
  5. Step 5: Solve for x
    x = 15,485,239,156,236,436/144,002,731.54
  6. Step 6: Final answer
    x = 107,534,343.21

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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.