Home / 83,838,883.20-115,696,473.60-47,169,366.72

Finding the Fourth Proportional to 83,838,883.20, 115,696,473.60 and 47,169,366.72

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Solution

The fourth proportional to 83,838,883.20, 115,696,473.60 and 47,169,366.72 is: 65,093,059.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,838,883.20 : 115,696,473.60 = 47,169,366.72 : x
  2. Step 2: Convert to fraction form
    83,838,883.20/115,696,473.60 = 47,169,366.72/x
  3. Step 3: Cross multiply
    83,838,883.20x = 115,696,473.60 × 47,169,366.72
  4. Step 4: Simplify right side
    83,838,883.20x = 5,457,329,391,449,198
  5. Step 5: Solve for x
    x = 5,457,329,391,449,198/83,838,883.20
  6. Step 6: Final answer
    x = 65,093,059.25

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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.