Home / 189,923,500.28-284,884,807.50-124,755,990.50

Finding the Fourth Proportional to 189,923,500.28, 284,884,807.50 and 124,755,990.50

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Solution

The fourth proportional to 189,923,500.28, 284,884,807.50 and 124,755,990.50 is: 187,133,694.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,923,500.28 : 284,884,807.50 = 124,755,990.50 : x
  2. Step 2: Convert to fraction form
    189,923,500.28/284,884,807.50 = 124,755,990.50/x
  3. Step 3: Cross multiply
    189,923,500.28x = 284,884,807.50 × 124,755,990.50
  4. Step 4: Simplify right side
    189,923,500.28x = 35,541,086,338,064,328
  5. Step 5: Solve for x
    x = 35,541,086,338,064,328/189,923,500.28
  6. Step 6: Final answer
    x = 187,133,694.81

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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.