Home / 72,423,613.80-108,564,561.90-29,235,175.20

Finding the Fourth Proportional to 72,423,613.80, 108,564,561.90 and 29,235,175.20

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Solution

The fourth proportional to 72,423,613.80, 108,564,561.90 and 29,235,175.20 is: 43,824,159.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,423,613.80 : 108,564,561.90 = 29,235,175.20 : x
  2. Step 2: Convert to fraction form
    72,423,613.80/108,564,561.90 = 29,235,175.20/x
  3. Step 3: Cross multiply
    72,423,613.80x = 108,564,561.90 × 29,235,175.20
  4. Step 4: Simplify right side
    72,423,613.80x = 3,173,903,987,657,745
  5. Step 5: Solve for x
    x = 3,173,903,987,657,745/72,423,613.80
  6. Step 6: Final answer
    x = 43,824,159.29

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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.