Home / 99,822,713.32-137,752,806.56-55,770,043

Finding the Fourth Proportional to 99,822,713.32, 137,752,806.56 and 55,770,043

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Solution

The fourth proportional to 99,822,713.32, 137,752,806.56 and 55,770,043 is: 76,961,241.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,822,713.32 : 137,752,806.56 = 55,770,043 : x
  2. Step 2: Convert to fraction form
    99,822,713.32/137,752,806.56 = 55,770,043/x
  3. Step 3: Cross multiply
    99,822,713.32x = 137,752,806.56 × 55,770,043
  4. Step 4: Simplify right side
    99,822,713.32x = 7,682,479,945,221,882
  5. Step 5: Solve for x
    x = 7,682,479,945,221,882/99,822,713.32
  6. Step 6: Final answer
    x = 76,961,241.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.