Home / 91,827,340.30-137,890,309.65-66,446,476.30

Finding the Fourth Proportional to 91,827,340.30, 137,890,309.65 and 66,446,476.30

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Solution

The fourth proportional to 91,827,340.30, 137,890,309.65 and 66,446,476.30 is: 99,777,747.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,827,340.30 : 137,890,309.65 = 66,446,476.30 : x
  2. Step 2: Convert to fraction form
    91,827,340.30/137,890,309.65 = 66,446,476.30/x
  3. Step 3: Cross multiply
    91,827,340.30x = 137,890,309.65 × 66,446,476.30
  4. Step 4: Simplify right side
    91,827,340.30x = 9,162,325,192,158,386
  5. Step 5: Solve for x
    x = 9,162,325,192,158,386/91,827,340.30
  6. Step 6: Final answer
    x = 99,777,747.70

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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.