Home / 72,372,128.80-108,558,193.20-32,061,344.80

Finding the Fourth Proportional to 72,372,128.80, 108,558,193.20 and 32,061,344.80

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Solution

The fourth proportional to 72,372,128.80, 108,558,193.20 and 32,061,344.80 is: 48,092,017.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,372,128.80 : 108,558,193.20 = 32,061,344.80 : x
  2. Step 2: Convert to fraction form
    72,372,128.80/108,558,193.20 = 32,061,344.80/x
  3. Step 3: Cross multiply
    72,372,128.80x = 108,558,193.20 × 32,061,344.80
  4. Step 4: Simplify right side
    72,372,128.80x = 3,480,521,663,050,215.50
  5. Step 5: Solve for x
    x = 3,480,521,663,050,215.50/72,372,128.80
  6. Step 6: Final answer
    x = 48,092,017.20

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Double scale
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Similar ratio
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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.