Home / 82,448,111.20-123,672,166.80-80,558,543.20

Finding the Fourth Proportional to 82,448,111.20, 123,672,166.80 and 80,558,543.20

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Solution

The fourth proportional to 82,448,111.20, 123,672,166.80 and 80,558,543.20 is: 120,837,814.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,448,111.20 : 123,672,166.80 = 80,558,543.20 : x
  2. Step 2: Convert to fraction form
    82,448,111.20/123,672,166.80 = 80,558,543.20/x
  3. Step 3: Cross multiply
    82,448,111.20x = 123,672,166.80 × 80,558,543.20
  4. Step 4: Simplify right side
    82,448,111.20x = 9,962,849,591,795,406
  5. Step 5: Solve for x
    x = 9,962,849,591,795,406/82,448,111.20
  6. Step 6: Final answer
    x = 120,837,814.80

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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.