Home / 81,743,895.92-111,295,444.16-81,488,804.24

Finding the Fourth Proportional to 81,743,895.92, 111,295,444.16 and 81,488,804.24

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Solution

The fourth proportional to 81,743,895.92, 111,295,444.16 and 81,488,804.24 is: 110,948,133.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,743,895.92 : 111,295,444.16 = 81,488,804.24 : x
  2. Step 2: Convert to fraction form
    81,743,895.92/111,295,444.16 = 81,488,804.24/x
  3. Step 3: Cross multiply
    81,743,895.92x = 111,295,444.16 × 81,488,804.24
  4. Step 4: Simplify right side
    81,743,895.92x = 9,069,332,661,958,090
  5. Step 5: Solve for x
    x = 9,069,332,661,958,090/81,743,895.92
  6. Step 6: Final answer
    x = 110,948,133.31

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.