Home / 89,859,288.80-134,788,933.20-80,453,439.20

Finding the Fourth Proportional to 89,859,288.80, 134,788,933.20 and 80,453,439.20

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Solution

The fourth proportional to 89,859,288.80, 134,788,933.20 and 80,453,439.20 is: 120,680,158.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,859,288.80 : 134,788,933.20 = 80,453,439.20 : x
  2. Step 2: Convert to fraction form
    89,859,288.80/134,788,933.20 = 80,453,439.20/x
  3. Step 3: Cross multiply
    89,859,288.80x = 134,788,933.20 × 80,453,439.20
  4. Step 4: Simplify right side
    89,859,288.80x = 10,844,233,242,039,060
  5. Step 5: Solve for x
    x = 10,844,233,242,039,060/89,859,288.80
  6. Step 6: Final answer
    x = 120,680,158.80

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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.