Home / 72,582,820.20-108,874,230.30-65,192,509.80

Finding the Fourth Proportional to 72,582,820.20, 108,874,230.30 and 65,192,509.80

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Solution

The fourth proportional to 72,582,820.20, 108,874,230.30 and 65,192,509.80 is: 97,788,764.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,582,820.20 : 108,874,230.30 = 65,192,509.80 : x
  2. Step 2: Convert to fraction form
    72,582,820.20/108,874,230.30 = 65,192,509.80/x
  3. Step 3: Cross multiply
    72,582,820.20x = 108,874,230.30 × 65,192,509.80
  4. Step 4: Simplify right side
    72,582,820.20x = 7,097,784,325,800,206
  5. Step 5: Solve for x
    x = 7,097,784,325,800,206/72,582,820.20
  6. Step 6: Final answer
    x = 97,788,764.70

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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.