Home / 47,382,062.75-71,396,511.45-38,935,378.57

Finding the Fourth Proportional to 47,382,062.75, 71,396,511.45 and 38,935,378.57

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Solution

The fourth proportional to 47,382,062.75, 71,396,511.45 and 38,935,378.57 is: 58,668,830.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,382,062.75 : 71,396,511.45 = 38,935,378.57 : x
  2. Step 2: Convert to fraction form
    47,382,062.75/71,396,511.45 = 38,935,378.57/x
  3. Step 3: Cross multiply
    47,382,062.75x = 71,396,511.45 × 38,935,378.57
  4. Step 4: Simplify right side
    47,382,062.75x = 2,779,850,201,883,090
  5. Step 5: Solve for x
    x = 2,779,850,201,883,090/47,382,062.75
  6. Step 6: Final answer
    x = 58,668,830.37

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.