Home / 72,455,653.80-108,654,612.30-23,920,000.20

Finding the Fourth Proportional to 72,455,653.80, 108,654,612.30 and 23,920,000.20

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Solution

The fourth proportional to 72,455,653.80, 108,654,612.30 and 23,920,000.20 is: 35,870,469.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,455,653.80 : 108,654,612.30 = 23,920,000.20 : x
  2. Step 2: Convert to fraction form
    72,455,653.80/108,654,612.30 = 23,920,000.20/x
  3. Step 3: Cross multiply
    72,455,653.80x = 108,654,612.30 × 23,920,000.20
  4. Step 4: Simplify right side
    72,455,653.80x = 2,599,018,347,946,922.50
  5. Step 5: Solve for x
    x = 2,599,018,347,946,922.50/72,455,653.80
  6. Step 6: Final answer
    x = 35,870,469.89

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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.