Home / 140,824,631.76-211,195,968.12-54,543,794.64

Finding the Fourth Proportional to 140,824,631.76, 211,195,968.12 and 54,543,794.64

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Solution

The fourth proportional to 140,824,631.76, 211,195,968.12 and 54,543,794.64 is: 81,799,819.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,824,631.76 : 211,195,968.12 = 54,543,794.64 : x
  2. Step 2: Convert to fraction form
    140,824,631.76/211,195,968.12 = 54,543,794.64/x
  3. Step 3: Cross multiply
    140,824,631.76x = 211,195,968.12 × 54,543,794.64
  4. Step 4: Simplify right side
    140,824,631.76x = 11,519,429,513,933,268
  5. Step 5: Solve for x
    x = 11,519,429,513,933,268/140,824,631.76
  6. Step 6: Final answer
    x = 81,799,819.89

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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.