Home / 72,118,964.52-108,177,648.12-17,531,602.20

Finding the Fourth Proportional to 72,118,964.52, 108,177,648.12 and 17,531,602.20

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Solution

The fourth proportional to 72,118,964.52, 108,177,648.12 and 17,531,602.20 is: 26,297,209.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,118,964.52 : 108,177,648.12 = 17,531,602.20 : x
  2. Step 2: Convert to fraction form
    72,118,964.52/108,177,648.12 = 17,531,602.20/x
  3. Step 3: Cross multiply
    72,118,964.52x = 108,177,648.12 × 17,531,602.20
  4. Step 4: Simplify right side
    72,118,964.52x = 1,896,527,493,771,417.75
  5. Step 5: Solve for x
    x = 1,896,527,493,771,417.75/72,118,964.52
  6. Step 6: Final answer
    x = 26,297,209.15

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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.