Home / 42,121,487.70-63,188,136.45-16,556,551.20

Finding the Fourth Proportional to 42,121,487.70, 63,188,136.45 and 16,556,551.20

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Solution

The fourth proportional to 42,121,487.70, 63,188,136.45 and 16,556,551.20 is: 24,837,147.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,121,487.70 : 63,188,136.45 = 16,556,551.20 : x
  2. Step 2: Convert to fraction form
    42,121,487.70/63,188,136.45 = 16,556,551.20/x
  3. Step 3: Cross multiply
    42,121,487.70x = 63,188,136.45 × 16,556,551.20
  4. Step 4: Simplify right side
    42,121,487.70x = 1,046,177,616,367,011.25
  5. Step 5: Solve for x
    x = 1,046,177,616,367,011.25/42,121,487.70
  6. Step 6: Final answer
    x = 24,837,147.82

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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.