Home / 84,001,672.60-115,947,929.22-48,728,391.52

Finding the Fourth Proportional to 84,001,672.60, 115,947,929.22 and 48,728,391.52

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Solution

The fourth proportional to 84,001,672.60, 115,947,929.22 and 48,728,391.52 is: 67,260,042.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,001,672.60 : 115,947,929.22 = 48,728,391.52 : x
  2. Step 2: Convert to fraction form
    84,001,672.60/115,947,929.22 = 48,728,391.52/x
  3. Step 3: Cross multiply
    84,001,672.60x = 115,947,929.22 × 48,728,391.52
  4. Step 4: Simplify right side
    84,001,672.60x = 5,649,956,090,965,409
  5. Step 5: Solve for x
    x = 5,649,956,090,965,409/84,001,672.60
  6. Step 6: Final answer
    x = 67,260,042.76

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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.