Home / 72,311,286.96-108,423,221.88-29,130,057.20

Finding the Fourth Proportional to 72,311,286.96, 108,423,221.88 and 29,130,057.20

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Solution

The fourth proportional to 72,311,286.96, 108,423,221.88 and 29,130,057.20 is: 43,677,478.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,311,286.96 : 108,423,221.88 = 29,130,057.20 : x
  2. Step 2: Convert to fraction form
    72,311,286.96/108,423,221.88 = 29,130,057.20/x
  3. Step 3: Cross multiply
    72,311,286.96x = 108,423,221.88 × 29,130,057.20
  4. Step 4: Simplify right side
    72,311,286.96x = 3,158,374,655,172,691.50
  5. Step 5: Solve for x
    x = 3,158,374,655,172,691.50/72,311,286.96
  6. Step 6: Final answer
    x = 43,677,478.14

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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.