Home / 91,007,998.80-136,511,998.20-88,488,574.80

Finding the Fourth Proportional to 91,007,998.80, 136,511,998.20 and 88,488,574.80

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Solution

The fourth proportional to 91,007,998.80, 136,511,998.20 and 88,488,574.80 is: 132,732,862.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,007,998.80 : 136,511,998.20 = 88,488,574.80 : x
  2. Step 2: Convert to fraction form
    91,007,998.80/136,511,998.20 = 88,488,574.80/x
  3. Step 3: Cross multiply
    91,007,998.80x = 136,511,998.20 × 88,488,574.80
  4. Step 4: Simplify right side
    91,007,998.80x = 12,079,752,163,818,164
  5. Step 5: Solve for x
    x = 12,079,752,163,818,164/91,007,998.80
  6. Step 6: Final answer
    x = 132,732,862.20

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1.5x scale

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.