Home / 68,829,921.76-103,244,423.14-27,888,756.88

Finding the Fourth Proportional to 68,829,921.76, 103,244,423.14 and 27,888,756.88

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Solution

The fourth proportional to 68,829,921.76, 103,244,423.14 and 27,888,756.88 is: 41,832,949.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,829,921.76 : 103,244,423.14 = 27,888,756.88 : x
  2. Step 2: Convert to fraction form
    68,829,921.76/103,244,423.14 = 27,888,756.88/x
  3. Step 3: Cross multiply
    68,829,921.76x = 103,244,423.14 × 27,888,756.88
  4. Step 4: Simplify right side
    68,829,921.76x = 2,879,358,616,167,306
  5. Step 5: Solve for x
    x = 2,879,358,616,167,306/68,829,921.76
  6. Step 6: Final answer
    x = 41,832,949.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.