Home / 81,973,258.80-122,959,888.20-25,239,562.80

Finding the Fourth Proportional to 81,973,258.80, 122,959,888.20 and 25,239,562.80

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Solution

The fourth proportional to 81,973,258.80, 122,959,888.20 and 25,239,562.80 is: 37,859,344.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,973,258.80 : 122,959,888.20 = 25,239,562.80 : x
  2. Step 2: Convert to fraction form
    81,973,258.80/122,959,888.20 = 25,239,562.80/x
  3. Step 3: Cross multiply
    81,973,258.80x = 122,959,888.20 × 25,239,562.80
  4. Step 4: Simplify right side
    81,973,258.80x = 3,103,453,820,104,879
  5. Step 5: Solve for x
    x = 3,103,453,820,104,879/81,973,258.80
  6. Step 6: Final answer
    x = 37,859,344.20

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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.