Home / 132,103,124.70-198,153,426.15-80,302,032.65

Finding the Fourth Proportional to 132,103,124.70, 198,153,426.15 and 80,302,032.65

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Solution

The fourth proportional to 132,103,124.70, 198,153,426.15 and 80,302,032.65 is: 120,452,282.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,103,124.70 : 198,153,426.15 = 80,302,032.65 : x
  2. Step 2: Convert to fraction form
    132,103,124.70/198,153,426.15 = 80,302,032.65/x
  3. Step 3: Cross multiply
    132,103,124.70x = 198,153,426.15 × 80,302,032.65
  4. Step 4: Simplify right side
    132,103,124.70x = 15,912,122,895,415,896
  5. Step 5: Solve for x
    x = 15,912,122,895,415,896/132,103,124.70
  6. Step 6: Final answer
    x = 120,452,282.50

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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.