Home / 90,329,596.92-124,654,843.62-51,171,373.55

Finding the Fourth Proportional to 90,329,596.92, 124,654,843.62 and 51,171,373.55

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Solution

The fourth proportional to 90,329,596.92, 124,654,843.62 and 51,171,373.55 is: 70,616,495.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,329,596.92 : 124,654,843.62 = 51,171,373.55 : x
  2. Step 2: Convert to fraction form
    90,329,596.92/124,654,843.62 = 51,171,373.55/x
  3. Step 3: Cross multiply
    90,329,596.92x = 124,654,843.62 × 51,171,373.55
  4. Step 4: Simplify right side
    90,329,596.92x = 6,378,759,568,007,492
  5. Step 5: Solve for x
    x = 6,378,759,568,007,492/90,329,596.92
  6. Step 6: Final answer
    x = 70,616,495.43

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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.