Home / 91,515,161.92-137,277,930.78-29,271,943.46

Finding the Fourth Proportional to 91,515,161.92, 137,277,930.78 and 29,271,943.46

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Solution

The fourth proportional to 91,515,161.92, 137,277,930.78 and 29,271,943.46 is: 43,909,574.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,515,161.92 : 137,277,930.78 = 29,271,943.46 : x
  2. Step 2: Convert to fraction form
    91,515,161.92/137,277,930.78 = 29,271,943.46/x
  3. Step 3: Cross multiply
    91,515,161.92x = 137,277,930.78 × 29,271,943.46
  4. Step 4: Simplify right side
    91,515,161.92x = 4,018,391,827,510,524
  5. Step 5: Solve for x
    x = 4,018,391,827,510,524/91,515,161.92
  6. Step 6: Final answer
    x = 43,909,574.58

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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.