Home / 92,279,342.40-138,419,013.60-90,844,451.70

Finding the Fourth Proportional to 92,279,342.40, 138,419,013.60 and 90,844,451.70

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Solution

The fourth proportional to 92,279,342.40, 138,419,013.60 and 90,844,451.70 is: 136,266,677.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,279,342.40 : 138,419,013.60 = 90,844,451.70 : x
  2. Step 2: Convert to fraction form
    92,279,342.40/138,419,013.60 = 90,844,451.70/x
  3. Step 3: Cross multiply
    92,279,342.40x = 138,419,013.60 × 90,844,451.70
  4. Step 4: Simplify right side
    92,279,342.40x = 12,574,599,395,346,842
  5. Step 5: Solve for x
    x = 12,574,599,395,346,842/92,279,342.40
  6. Step 6: Final answer
    x = 136,266,677.55

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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.