Home / 83,696,214.60-115,503,020.28-50,649,441.48

Finding the Fourth Proportional to 83,696,214.60, 115,503,020.28 and 50,649,441.48

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Solution

The fourth proportional to 83,696,214.60, 115,503,020.28 and 50,649,441.48 is: 69,897,587.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,696,214.60 : 115,503,020.28 = 50,649,441.48 : x
  2. Step 2: Convert to fraction form
    83,696,214.60/115,503,020.28 = 50,649,441.48/x
  3. Step 3: Cross multiply
    83,696,214.60x = 115,503,020.28 × 50,649,441.48
  4. Step 4: Simplify right side
    83,696,214.60x = 5,850,163,466,435,113
  5. Step 5: Solve for x
    x = 5,850,163,466,435,113/83,696,214.60
  6. Step 6: Final answer
    x = 69,897,587.30

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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.