Home / 80,930,637.75-111,684,201.32-43,760,829.08

Finding the Fourth Proportional to 80,930,637.75, 111,684,201.32 and 43,760,829.08

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Solution

The fourth proportional to 80,930,637.75, 111,684,201.32 and 43,760,829.08 is: 60,389,901.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,930,637.75 : 111,684,201.32 = 43,760,829.08 : x
  2. Step 2: Convert to fraction form
    80,930,637.75/111,684,201.32 = 43,760,829.08/x
  3. Step 3: Cross multiply
    80,930,637.75x = 111,684,201.32 × 43,760,829.08
  4. Step 4: Simplify right side
    80,930,637.75x = 4,887,393,244,870,627
  5. Step 5: Solve for x
    x = 4,887,393,244,870,627/80,930,637.75
  6. Step 6: Final answer
    x = 60,389,901.53

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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.