Home / 82,363,713.60-123,545,570.40-21,785,563.20

Finding the Fourth Proportional to 82,363,713.60, 123,545,570.40 and 21,785,563.20

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Solution

The fourth proportional to 82,363,713.60, 123,545,570.40 and 21,785,563.20 is: 32,678,344.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,363,713.60 : 123,545,570.40 = 21,785,563.20 : x
  2. Step 2: Convert to fraction form
    82,363,713.60/123,545,570.40 = 21,785,563.20/x
  3. Step 3: Cross multiply
    82,363,713.60x = 123,545,570.40 × 21,785,563.20
  4. Step 4: Simplify right side
    82,363,713.60x = 2,691,509,832,029,249.50
  5. Step 5: Solve for x
    x = 2,691,509,832,029,249.50/82,363,713.60
  6. Step 6: Final answer
    x = 32,678,344.80

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1.5x scale

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.