Home / 80,133,235.76-120,201,924-21,841,393.04

Finding the Fourth Proportional to 80,133,235.76, 120,201,924 and 21,841,393.04

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Solution

The fourth proportional to 80,133,235.76, 120,201,924 and 21,841,393.04 is: 32,762,653.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,133,235.76 : 120,201,924 = 21,841,393.04 : x
  2. Step 2: Convert to fraction form
    80,133,235.76/120,201,924 = 21,841,393.04/x
  3. Step 3: Cross multiply
    80,133,235.76x = 120,201,924 × 21,841,393.04
  4. Step 4: Simplify right side
    80,133,235.76x = 2,625,377,466,248,209
  5. Step 5: Solve for x
    x = 2,625,377,466,248,209/80,133,235.76
  6. Step 6: Final answer
    x = 32,762,653.86

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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.