Home / 57,217,481.46-78,960,514.77-31,112,283.06

Finding the Fourth Proportional to 57,217,481.46, 78,960,514.77 and 31,112,283.06

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Solution

The fourth proportional to 57,217,481.46, 78,960,514.77 and 31,112,283.06 is: 42,935,162.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,217,481.46 : 78,960,514.77 = 31,112,283.06 : x
  2. Step 2: Convert to fraction form
    57,217,481.46/78,960,514.77 = 31,112,283.06/x
  3. Step 3: Cross multiply
    57,217,481.46x = 78,960,514.77 × 31,112,283.06
  4. Step 4: Simplify right side
    57,217,481.46x = 2,456,641,886,087,550.50
  5. Step 5: Solve for x
    x = 2,456,641,886,087,550.50/57,217,481.46
  6. Step 6: Final answer
    x = 42,935,162.88

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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.