Home / 83,838,886.20-115,696,477.74-47,169,369.72

Finding the Fourth Proportional to 83,838,886.20, 115,696,477.74 and 47,169,369.72

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Solution

The fourth proportional to 83,838,886.20, 115,696,477.74 and 47,169,369.72 is: 65,093,063.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,838,886.20 : 115,696,477.74 = 47,169,369.72 : x
  2. Step 2: Convert to fraction form
    83,838,886.20/115,696,477.74 = 47,169,369.72/x
  3. Step 3: Cross multiply
    83,838,886.20x = 115,696,477.74 × 47,169,369.72
  4. Step 4: Simplify right side
    83,838,886.20x = 5,457,329,933,819,810
  5. Step 5: Solve for x
    x = 5,457,329,933,819,810/83,838,886.20
  6. Step 6: Final answer
    x = 65,093,063.39

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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.