Home / 100,643,873.13-150,744,523.53-83,174,078.85

Finding the Fourth Proportional to 100,643,873.13, 150,744,523.53 and 83,174,078.85

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Solution

The fourth proportional to 100,643,873.13, 150,744,523.53 and 83,174,078.85 is: 124,578,243.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,643,873.13 : 150,744,523.53 = 83,174,078.85 : x
  2. Step 2: Convert to fraction form
    100,643,873.13/150,744,523.53 = 83,174,078.85/x
  3. Step 3: Cross multiply
    100,643,873.13x = 150,744,523.53 × 83,174,078.85
  4. Step 4: Simplify right side
    100,643,873.13x = 12,538,036,886,289,900
  5. Step 5: Solve for x
    x = 12,538,036,886,289,900/100,643,873.13
  6. Step 6: Final answer
    x = 124,578,243.03

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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.