Home / 129,301,935.11-178,538,339.94-104,104,002.27

Finding the Fourth Proportional to 129,301,935.11, 178,538,339.94 and 104,104,002.27

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Solution

The fourth proportional to 129,301,935.11, 178,538,339.94 and 104,104,002.27 is: 143,745,379.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,301,935.11 : 178,538,339.94 = 104,104,002.27 : x
  2. Step 2: Convert to fraction form
    129,301,935.11/178,538,339.94 = 104,104,002.27/x
  3. Step 3: Cross multiply
    129,301,935.11x = 178,538,339.94 × 104,104,002.27
  4. Step 4: Simplify right side
    129,301,935.11x = 18,586,555,746,395,792
  5. Step 5: Solve for x
    x = 18,586,555,746,395,792/129,301,935.11
  6. Step 6: Final answer
    x = 143,745,379.61

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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.