Home / 78,344,587.26-108,001,581.94-54,749,870.52

Finding the Fourth Proportional to 78,344,587.26, 108,001,581.94 and 54,749,870.52

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Solution

The fourth proportional to 78,344,587.26, 108,001,581.94 and 54,749,870.52 is: 75,475,190.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,344,587.26 : 108,001,581.94 = 54,749,870.52 : x
  2. Step 2: Convert to fraction form
    78,344,587.26/108,001,581.94 = 54,749,870.52/x
  3. Step 3: Cross multiply
    78,344,587.26x = 108,001,581.94 × 54,749,870.52
  4. Step 4: Simplify right side
    78,344,587.26x = 5,913,072,627,170,171
  5. Step 5: Solve for x
    x = 5,913,072,627,170,171/78,344,587.26
  6. Step 6: Final answer
    x = 75,475,190.23

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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.