Home / 90,838,579.20-136,257,868.80-90,838,579.20

Finding the Fourth Proportional to 90,838,579.20, 136,257,868.80 and 90,838,579.20

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Solution

The fourth proportional to 90,838,579.20, 136,257,868.80 and 90,838,579.20 is: 136,257,868.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,838,579.20 : 136,257,868.80 = 90,838,579.20 : x
  2. Step 2: Convert to fraction form
    90,838,579.20/136,257,868.80 = 90,838,579.20/x
  3. Step 3: Cross multiply
    90,838,579.20x = 136,257,868.80 × 90,838,579.20
  4. Step 4: Simplify right side
    90,838,579.20x = 12,377,471,206,612,010
  5. Step 5: Solve for x
    x = 12,377,471,206,612,010/90,838,579.20
  6. Step 6: Final answer
    x = 136,257,868.80

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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.