Home / 92,279,338.15-138,419,007.23-90,844,447.45

Finding the Fourth Proportional to 92,279,338.15, 138,419,007.23 and 90,844,447.45

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Solution

The fourth proportional to 92,279,338.15, 138,419,007.23 and 90,844,447.45 is: 136,266,671.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,279,338.15 : 138,419,007.23 = 90,844,447.45 : x
  2. Step 2: Convert to fraction form
    92,279,338.15/138,419,007.23 = 90,844,447.45/x
  3. Step 3: Cross multiply
    92,279,338.15x = 138,419,007.23 × 90,844,447.45
  4. Step 4: Simplify right side
    92,279,338.15x = 12,574,598,228,386,904
  5. Step 5: Solve for x
    x = 12,574,598,228,386,904/92,279,338.15
  6. Step 6: Final answer
    x = 136,266,671.18

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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.