Home / 89,037,965.80-133,556,948.70-80,251,474.60

Finding the Fourth Proportional to 89,037,965.80, 133,556,948.70 and 80,251,474.60

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Solution

The fourth proportional to 89,037,965.80, 133,556,948.70 and 80,251,474.60 is: 120,377,211.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,037,965.80 : 133,556,948.70 = 80,251,474.60 : x
  2. Step 2: Convert to fraction form
    89,037,965.80/133,556,948.70 = 80,251,474.60/x
  3. Step 3: Cross multiply
    89,037,965.80x = 133,556,948.70 × 80,251,474.60
  4. Step 4: Simplify right side
    89,037,965.80x = 10,718,142,076,251,552
  5. Step 5: Solve for x
    x = 10,718,142,076,251,552/89,037,965.80
  6. Step 6: Final answer
    x = 120,377,211.90

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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.