Home / 56,785,143.60-85,177,715.40-36,377,809.20

Finding the Fourth Proportional to 56,785,143.60, 85,177,715.40 and 36,377,809.20

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Solution

The fourth proportional to 56,785,143.60, 85,177,715.40 and 36,377,809.20 is: 54,566,713.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,785,143.60 : 85,177,715.40 = 36,377,809.20 : x
  2. Step 2: Convert to fraction form
    56,785,143.60/85,177,715.40 = 36,377,809.20/x
  3. Step 3: Cross multiply
    56,785,143.60x = 85,177,715.40 × 36,377,809.20
  4. Step 4: Simplify right side
    56,785,143.60x = 3,098,578,678,913,102
  5. Step 5: Solve for x
    x = 3,098,578,678,913,102/56,785,143.60
  6. Step 6: Final answer
    x = 54,566,713.80

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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.