Home / 72,373,708.20-108,560,562.30-64,720,957.80

Finding the Fourth Proportional to 72,373,708.20, 108,560,562.30 and 64,720,957.80

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Solution

The fourth proportional to 72,373,708.20, 108,560,562.30 and 64,720,957.80 is: 97,081,436.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,373,708.20 : 108,560,562.30 = 64,720,957.80 : x
  2. Step 2: Convert to fraction form
    72,373,708.20/108,560,562.30 = 64,720,957.80/x
  3. Step 3: Cross multiply
    72,373,708.20x = 108,560,562.30 × 64,720,957.80
  4. Step 4: Simplify right side
    72,373,708.20x = 7,026,143,571,362,570
  5. Step 5: Solve for x
    x = 7,026,143,571,362,570/72,373,708.20
  6. Step 6: Final answer
    x = 97,081,436.70

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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.