Home / 91,854,000.80-137,781,001.20-82,766,359.70

Finding the Fourth Proportional to 91,854,000.80, 137,781,001.20 and 82,766,359.70

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Solution

The fourth proportional to 91,854,000.80, 137,781,001.20 and 82,766,359.70 is: 124,149,539.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,854,000.80 : 137,781,001.20 = 82,766,359.70 : x
  2. Step 2: Convert to fraction form
    91,854,000.80/137,781,001.20 = 82,766,359.70/x
  3. Step 3: Cross multiply
    91,854,000.80x = 137,781,001.20 × 82,766,359.70
  4. Step 4: Simplify right side
    91,854,000.80x = 11,403,631,905,145,332
  5. Step 5: Solve for x
    x = 11,403,631,905,145,332/91,854,000.80
  6. Step 6: Final answer
    x = 124,149,539.55

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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.