Home / 57,092,299.20-78,785,372.52-30,986,294.04

Finding the Fourth Proportional to 57,092,299.20, 78,785,372.52 and 30,986,294.04

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Solution

The fourth proportional to 57,092,299.20, 78,785,372.52 and 30,986,294.04 is: 42,760,000.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,092,299.20 : 78,785,372.52 = 30,986,294.04 : x
  2. Step 2: Convert to fraction form
    57,092,299.20/78,785,372.52 = 30,986,294.04/x
  3. Step 3: Cross multiply
    57,092,299.20x = 78,785,372.52 × 30,986,294.04
  4. Step 4: Simplify right side
    57,092,299.20x = 2,441,266,718,955,655.50
  5. Step 5: Solve for x
    x = 2,441,266,718,955,655.50/57,092,299.20
  6. Step 6: Final answer
    x = 42,760,000.09

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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.