Home / 80,829,663.78-111,544,980.68-43,659,943.82

Finding the Fourth Proportional to 80,829,663.78, 111,544,980.68 and 43,659,943.82

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Solution

The fourth proportional to 80,829,663.78, 111,544,980.68 and 43,659,943.82 is: 60,250,746.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,829,663.78 : 111,544,980.68 = 43,659,943.82 : x
  2. Step 2: Convert to fraction form
    80,829,663.78/111,544,980.68 = 43,659,943.82/x
  3. Step 3: Cross multiply
    80,829,663.78x = 111,544,980.68 × 43,659,943.82
  4. Step 4: Simplify right side
    80,829,663.78x = 4,870,047,589,891,786
  5. Step 5: Solve for x
    x = 4,870,047,589,891,786/80,829,663.78
  6. Step 6: Final answer
    x = 60,250,746.60

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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.