Home / 91,296,759.92-125,916,065.76-80,259,911.28

Finding the Fourth Proportional to 91,296,759.92, 125,916,065.76 and 80,259,911.28

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Solution

The fourth proportional to 91,296,759.92, 125,916,065.76 and 80,259,911.28 is: 110,694,095.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,296,759.92 : 125,916,065.76 = 80,259,911.28 : x
  2. Step 2: Convert to fraction form
    91,296,759.92/125,916,065.76 = 80,259,911.28/x
  3. Step 3: Cross multiply
    91,296,759.92x = 125,916,065.76 × 80,259,911.28
  4. Step 4: Simplify right side
    91,296,759.92x = 10,106,012,266,624,246
  5. Step 5: Solve for x
    x = 10,106,012,266,624,246/91,296,759.92
  6. Step 6: Final answer
    x = 110,694,095.56

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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.