Home / 56,663,439.60-84,995,159.40-18,328,828.80

Finding the Fourth Proportional to 56,663,439.60, 84,995,159.40 and 18,328,828.80

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Solution

The fourth proportional to 56,663,439.60, 84,995,159.40 and 18,328,828.80 is: 27,493,243.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,663,439.60 : 84,995,159.40 = 18,328,828.80 : x
  2. Step 2: Convert to fraction form
    56,663,439.60/84,995,159.40 = 18,328,828.80/x
  3. Step 3: Cross multiply
    56,663,439.60x = 84,995,159.40 × 18,328,828.80
  4. Step 4: Simplify right side
    56,663,439.60x = 1,557,861,725,471,311
  5. Step 5: Solve for x
    x = 1,557,861,725,471,311/56,663,439.60
  6. Step 6: Final answer
    x = 27,493,243.20

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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.