Home / 91,969,286.31-137,729,829.21-60,825,970.26

Finding the Fourth Proportional to 91,969,286.31, 137,729,829.21 and 60,825,970.26

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Solution

The fourth proportional to 91,969,286.31, 137,729,829.21 and 60,825,970.26 is: 91,090,741.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,969,286.31 : 137,729,829.21 = 60,825,970.26 : x
  2. Step 2: Convert to fraction form
    91,969,286.31/137,729,829.21 = 60,825,970.26/x
  3. Step 3: Cross multiply
    91,969,286.31x = 137,729,829.21 × 60,825,970.26
  4. Step 4: Simplify right side
    91,969,286.31x = 8,377,550,495,442,340
  5. Step 5: Solve for x
    x = 8,377,550,495,442,340/91,969,286.31
  6. Step 6: Final answer
    x = 91,090,741.61

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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.