Home / 140,824,632.76-211,195,969.62-54,543,795.64

Finding the Fourth Proportional to 140,824,632.76, 211,195,969.62 and 54,543,795.64

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Solution

The fourth proportional to 140,824,632.76, 211,195,969.62 and 54,543,795.64 is: 81,799,821.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,824,632.76 : 211,195,969.62 = 54,543,795.64 : x
  2. Step 2: Convert to fraction form
    140,824,632.76/211,195,969.62 = 54,543,795.64/x
  3. Step 3: Cross multiply
    140,824,632.76x = 211,195,969.62 × 54,543,795.64
  4. Step 4: Simplify right side
    140,824,632.76x = 11,519,429,806,944,928
  5. Step 5: Solve for x
    x = 11,519,429,806,944,928/140,824,632.76
  6. Step 6: Final answer
    x = 81,799,821.39

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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.