Home / 82,502,544.92-123,811,971.50-38,785,298.84

Finding the Fourth Proportional to 82,502,544.92, 123,811,971.50 and 38,785,298.84

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Solution

The fourth proportional to 82,502,544.92, 123,811,971.50 and 38,785,298.84 is: 58,205,287.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,502,544.92 : 123,811,971.50 = 38,785,298.84 : x
  2. Step 2: Convert to fraction form
    82,502,544.92/123,811,971.50 = 38,785,298.84/x
  3. Step 3: Cross multiply
    82,502,544.92x = 123,811,971.50 × 38,785,298.84
  4. Step 4: Simplify right side
    82,502,544.92x = 4,802,084,314,597,064
  5. Step 5: Solve for x
    x = 4,802,084,314,597,064/82,502,544.92
  6. Step 6: Final answer
    x = 58,205,287.11

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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.