Home / 83,781,073.44-115,617,125.52-47,111,906.88

Finding the Fourth Proportional to 83,781,073.44, 115,617,125.52 and 47,111,906.88

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Solution

The fourth proportional to 83,781,073.44, 115,617,125.52 and 47,111,906.88 is: 65,014,006.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,781,073.44 : 115,617,125.52 = 47,111,906.88 : x
  2. Step 2: Convert to fraction form
    83,781,073.44/115,617,125.52 = 47,111,906.88/x
  3. Step 3: Cross multiply
    83,781,073.44x = 115,617,125.52 × 47,111,906.88
  4. Step 4: Simplify right side
    83,781,073.44x = 5,446,943,251,231,512
  5. Step 5: Solve for x
    x = 5,446,943,251,231,512/83,781,073.44
  6. Step 6: Final answer
    x = 65,014,006.48

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1.5x scale

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.