Home / 82,279,246.09-113,544,730.47-45,109,081.57

Finding the Fourth Proportional to 82,279,246.09, 113,544,730.47 and 45,109,081.57

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Solution

The fourth proportional to 82,279,246.09, 113,544,730.47 and 45,109,081.57 is: 62,250,187.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,279,246.09 : 113,544,730.47 = 45,109,081.57 : x
  2. Step 2: Convert to fraction form
    82,279,246.09/113,544,730.47 = 45,109,081.57/x
  3. Step 3: Cross multiply
    82,279,246.09x = 113,544,730.47 × 45,109,081.57
  4. Step 4: Simplify right side
    82,279,246.09x = 5,121,898,508,500,192
  5. Step 5: Solve for x
    x = 5,121,898,508,500,192/82,279,246.09
  6. Step 6: Final answer
    x = 62,250,187.65

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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.