Home / 91,008,020.80-136,512,031.20-88,488,596.80

Finding the Fourth Proportional to 91,008,020.80, 136,512,031.20 and 88,488,596.80

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Solution

The fourth proportional to 91,008,020.80, 136,512,031.20 and 88,488,596.80 is: 132,732,895.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,008,020.80 : 136,512,031.20 = 88,488,596.80 : x
  2. Step 2: Convert to fraction form
    91,008,020.80/136,512,031.20 = 88,488,596.80/x
  3. Step 3: Cross multiply
    91,008,020.80x = 136,512,031.20 × 88,488,596.80
  4. Step 4: Simplify right side
    91,008,020.80x = 12,079,758,087,205,818
  5. Step 5: Solve for x
    x = 12,079,758,087,205,818/91,008,020.80
  6. Step 6: Final answer
    x = 132,732,895.20

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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.