Home / 91,745,129.40-137,617,694.10-88,217,935.80

Finding the Fourth Proportional to 91,745,129.40, 137,617,694.10 and 88,217,935.80

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Solution

The fourth proportional to 91,745,129.40, 137,617,694.10 and 88,217,935.80 is: 132,326,903.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,745,129.40 : 137,617,694.10 = 88,217,935.80 : x
  2. Step 2: Convert to fraction form
    91,745,129.40/137,617,694.10 = 88,217,935.80/x
  3. Step 3: Cross multiply
    91,745,129.40x = 137,617,694.10 × 88,217,935.80
  4. Step 4: Simplify right side
    91,745,129.40x = 12,140,348,903,057,838
  5. Step 5: Solve for x
    x = 12,140,348,903,057,838/91,745,129.40
  6. Step 6: Final answer
    x = 132,326,903.70

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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.