Home / 91,678,182.32-126,548,800.01-54,508,373.92

Finding the Fourth Proportional to 91,678,182.32, 126,548,800.01 and 54,508,373.92

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Solution

The fourth proportional to 91,678,182.32, 126,548,800.01 and 54,508,373.92 is: 75,241,122.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,678,182.32 : 126,548,800.01 = 54,508,373.92 : x
  2. Step 2: Convert to fraction form
    91,678,182.32/126,548,800.01 = 54,508,373.92/x
  3. Step 3: Cross multiply
    91,678,182.32x = 126,548,800.01 × 54,508,373.92
  4. Step 4: Simplify right side
    91,678,182.32x = 6,897,969,310,162,431
  5. Step 5: Solve for x
    x = 6,897,969,310,162,431/91,678,182.32
  6. Step 6: Final answer
    x = 75,241,122.10

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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.