Home / 56,861,752.50-85,292,876.61-18,000,394.65

Finding the Fourth Proportional to 56,861,752.50, 85,292,876.61 and 18,000,394.65

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Solution

The fourth proportional to 56,861,752.50, 85,292,876.61 and 18,000,394.65 is: 27,000,670.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,861,752.50 : 85,292,876.61 = 18,000,394.65 : x
  2. Step 2: Convert to fraction form
    56,861,752.50/85,292,876.61 = 18,000,394.65/x
  3. Step 3: Cross multiply
    56,861,752.50x = 85,292,876.61 × 18,000,394.65
  4. Step 4: Simplify right side
    56,861,752.50x = 1,535,305,439,813,754
  5. Step 5: Solve for x
    x = 1,535,305,439,813,754/56,861,752.50
  6. Step 6: Final answer
    x = 27,000,670.44

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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.