Home / 91,954,733.28-137,776,012.80-55,486,498.56

Finding the Fourth Proportional to 91,954,733.28, 137,776,012.80 and 55,486,498.56

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Solution

The fourth proportional to 91,954,733.28, 137,776,012.80 and 55,486,498.56 is: 83,135,563.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,954,733.28 : 137,776,012.80 = 55,486,498.56 : x
  2. Step 2: Convert to fraction form
    91,954,733.28/137,776,012.80 = 55,486,498.56/x
  3. Step 3: Cross multiply
    91,954,733.28x = 137,776,012.80 × 55,486,498.56
  4. Step 4: Simplify right side
    91,954,733.28x = 7,644,708,535,829,743
  5. Step 5: Solve for x
    x = 7,644,708,535,829,743/91,954,733.28
  6. Step 6: Final answer
    x = 83,135,563.15

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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.