Home / 100,643,874.13-150,744,525.03-83,174,079.85

Finding the Fourth Proportional to 100,643,874.13, 150,744,525.03 and 83,174,079.85

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Solution

The fourth proportional to 100,643,874.13, 150,744,525.03 and 83,174,079.85 is: 124,578,244.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,643,874.13 : 150,744,525.03 = 83,174,079.85 : x
  2. Step 2: Convert to fraction form
    100,643,874.13/150,744,525.03 = 83,174,079.85/x
  3. Step 3: Cross multiply
    100,643,874.13x = 150,744,525.03 × 83,174,079.85
  4. Step 4: Simplify right side
    100,643,874.13x = 12,538,037,161,795,542
  5. Step 5: Solve for x
    x = 12,538,037,161,795,542/100,643,874.13
  6. Step 6: Final answer
    x = 124,578,244.53

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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.