Home / 83,838,856.23-115,696,436.40-47,169,339.75

Finding the Fourth Proportional to 83,838,856.23, 115,696,436.40 and 47,169,339.75

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Solution

The fourth proportional to 83,838,856.23, 115,696,436.40 and 47,169,339.75 is: 65,093,022.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,838,856.23 : 115,696,436.40 = 47,169,339.75 : x
  2. Step 2: Convert to fraction form
    83,838,856.23/115,696,436.40 = 47,169,339.75/x
  3. Step 3: Cross multiply
    83,838,856.23x = 115,696,436.40 × 47,169,339.75
  4. Step 4: Simplify right side
    83,838,856.23x = 5,457,324,516,415,867
  5. Step 5: Solve for x
    x = 5,457,324,516,415,867/83,838,856.23
  6. Step 6: Final answer
    x = 65,093,022.04

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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.