Home / 72,373,712.20-108,560,568.30-64,720,961.80

Finding the Fourth Proportional to 72,373,712.20, 108,560,568.30 and 64,720,961.80

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Solution

The fourth proportional to 72,373,712.20, 108,560,568.30 and 64,720,961.80 is: 97,081,442.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,373,712.20 : 108,560,568.30 = 64,720,961.80 : x
  2. Step 2: Convert to fraction form
    72,373,712.20/108,560,568.30 = 64,720,961.80/x
  3. Step 3: Cross multiply
    72,373,712.20x = 108,560,568.30 × 64,720,961.80
  4. Step 4: Simplify right side
    72,373,712.20x = 7,026,144,393,930,590
  5. Step 5: Solve for x
    x = 7,026,144,393,930,590/72,373,712.20
  6. Step 6: Final answer
    x = 97,081,442.70

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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.