Home / 92,275,308.40-138,412,962.60-90,840,417.70

Finding the Fourth Proportional to 92,275,308.40, 138,412,962.60 and 90,840,417.70

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Solution

The fourth proportional to 92,275,308.40, 138,412,962.60 and 90,840,417.70 is: 136,260,626.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,275,308.40 : 138,412,962.60 = 90,840,417.70 : x
  2. Step 2: Convert to fraction form
    92,275,308.40/138,412,962.60 = 90,840,417.70/x
  3. Step 3: Cross multiply
    92,275,308.40x = 138,412,962.60 × 90,840,417.70
  4. Step 4: Simplify right side
    92,275,308.40x = 12,573,491,337,678,478
  5. Step 5: Solve for x
    x = 12,573,491,337,678,478/92,275,308.40
  6. Step 6: Final answer
    x = 136,260,626.55

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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.