Home / 129,301,933.86-178,538,338.22-104,104,001.01

Finding the Fourth Proportional to 129,301,933.86, 178,538,338.22 and 104,104,001.01

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Solution

The fourth proportional to 129,301,933.86, 178,538,338.22 and 104,104,001.01 is: 143,745,377.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,301,933.86 : 178,538,338.22 = 104,104,001.01 : x
  2. Step 2: Convert to fraction form
    129,301,933.86/178,538,338.22 = 104,104,001.01/x
  3. Step 3: Cross multiply
    129,301,933.86x = 178,538,338.22 × 104,104,001.01
  4. Step 4: Simplify right side
    129,301,933.86x = 18,586,555,341,858,084
  5. Step 5: Solve for x
    x = 18,586,555,341,858,084/129,301,933.86
  6. Step 6: Final answer
    x = 143,745,377.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.