Home / 89,454,013.20-134,181,019.80-73,298,206.80

Finding the Fourth Proportional to 89,454,013.20, 134,181,019.80 and 73,298,206.80

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Solution

The fourth proportional to 89,454,013.20, 134,181,019.80 and 73,298,206.80 is: 109,947,310.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,454,013.20 : 134,181,019.80 = 73,298,206.80 : x
  2. Step 2: Convert to fraction form
    89,454,013.20/134,181,019.80 = 73,298,206.80/x
  3. Step 3: Cross multiply
    89,454,013.20x = 134,181,019.80 × 73,298,206.80
  4. Step 4: Simplify right side
    89,454,013.20x = 9,835,228,137,935,294
  5. Step 5: Solve for x
    x = 9,835,228,137,935,294/89,454,013.20
  6. Step 6: Final answer
    x = 109,947,310.20

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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.