Home / 80,853,472.70-121,280,209.05-23,347,619.90

Finding the Fourth Proportional to 80,853,472.70, 121,280,209.05 and 23,347,619.90

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Solution

The fourth proportional to 80,853,472.70, 121,280,209.05 and 23,347,619.90 is: 35,021,429.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,853,472.70 : 121,280,209.05 = 23,347,619.90 : x
  2. Step 2: Convert to fraction form
    80,853,472.70/121,280,209.05 = 23,347,619.90/x
  3. Step 3: Cross multiply
    80,853,472.70x = 121,280,209.05 × 23,347,619.90
  4. Step 4: Simplify right side
    80,853,472.70x = 2,831,604,222,291,940
  5. Step 5: Solve for x
    x = 2,831,604,222,291,940/80,853,472.70
  6. Step 6: Final answer
    x = 35,021,429.85

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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.