Home / 89,037,964.80-133,556,947.20-80,251,473.60

Finding the Fourth Proportional to 89,037,964.80, 133,556,947.20 and 80,251,473.60

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Solution

The fourth proportional to 89,037,964.80, 133,556,947.20 and 80,251,473.60 is: 120,377,210.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,037,964.80 : 133,556,947.20 = 80,251,473.60 : x
  2. Step 2: Convert to fraction form
    89,037,964.80/133,556,947.20 = 80,251,473.60/x
  3. Step 3: Cross multiply
    89,037,964.80x = 133,556,947.20 × 80,251,473.60
  4. Step 4: Simplify right side
    89,037,964.80x = 10,718,141,822,317,394
  5. Step 5: Solve for x
    x = 10,718,141,822,317,394/89,037,964.80
  6. Step 6: Final answer
    x = 120,377,210.40

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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.