Home / 91,703,134.40-137,554,701.60-88,175,940.80

Finding the Fourth Proportional to 91,703,134.40, 137,554,701.60 and 88,175,940.80

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Solution

The fourth proportional to 91,703,134.40, 137,554,701.60 and 88,175,940.80 is: 132,263,911.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,703,134.40 : 137,554,701.60 = 88,175,940.80 : x
  2. Step 2: Convert to fraction form
    91,703,134.40/137,554,701.60 = 88,175,940.80/x
  3. Step 3: Cross multiply
    91,703,134.40x = 137,554,701.60 × 88,175,940.80
  4. Step 4: Simplify right side
    91,703,134.40x = 12,129,015,225,043,264
  5. Step 5: Solve for x
    x = 12,129,015,225,043,264/91,703,134.40
  6. Step 6: Final answer
    x = 132,263,911.20

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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.