Home / 80,133,247.76-120,201,942-21,841,405.04

Finding the Fourth Proportional to 80,133,247.76, 120,201,942 and 21,841,405.04

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Solution

The fourth proportional to 80,133,247.76, 120,201,942 and 21,841,405.04 is: 32,762,671.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,133,247.76 : 120,201,942 = 21,841,405.04 : x
  2. Step 2: Convert to fraction form
    80,133,247.76/120,201,942 = 21,841,405.04/x
  3. Step 3: Cross multiply
    80,133,247.76x = 120,201,942 × 21,841,405.04
  4. Step 4: Simplify right side
    80,133,247.76x = 2,625,379,301,816,587.50
  5. Step 5: Solve for x
    x = 2,625,379,301,816,587.50/80,133,247.76
  6. Step 6: Final answer
    x = 32,762,671.86

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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.