Home / 89,679,409.20-134,519,113.80-82,026,658.80

Finding the Fourth Proportional to 89,679,409.20, 134,519,113.80 and 82,026,658.80

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Solution

The fourth proportional to 89,679,409.20, 134,519,113.80 and 82,026,658.80 is: 123,039,988.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,679,409.20 : 134,519,113.80 = 82,026,658.80 : x
  2. Step 2: Convert to fraction form
    89,679,409.20/134,519,113.80 = 82,026,658.80/x
  3. Step 3: Cross multiply
    89,679,409.20x = 134,519,113.80 × 82,026,658.80
  4. Step 4: Simplify right side
    89,679,409.20x = 11,034,153,449,750,972
  5. Step 5: Solve for x
    x = 11,034,153,449,750,972/89,679,409.20
  6. Step 6: Final answer
    x = 123,039,988.20

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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.