Home / 78,568,065.32-108,423,961.70-45,547,458.71

Finding the Fourth Proportional to 78,568,065.32, 108,423,961.70 and 45,547,458.71

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Solution

The fourth proportional to 78,568,065.32, 108,423,961.70 and 45,547,458.71 is: 62,855,511.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,568,065.32 : 108,423,961.70 = 45,547,458.71 : x
  2. Step 2: Convert to fraction form
    78,568,065.32/108,423,961.70 = 45,547,458.71/x
  3. Step 3: Cross multiply
    78,568,065.32x = 108,423,961.70 × 45,547,458.71
  4. Step 4: Simplify right side
    78,568,065.32x = 4,938,435,917,935,514
  5. Step 5: Solve for x
    x = 4,938,435,917,935,514/78,568,065.32
  6. Step 6: Final answer
    x = 62,855,511.31

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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.