Home / 81,973,262.80-122,959,894.20-25,239,566.80

Finding the Fourth Proportional to 81,973,262.80, 122,959,894.20 and 25,239,566.80

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Solution

The fourth proportional to 81,973,262.80, 122,959,894.20 and 25,239,566.80 is: 37,859,350.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,973,262.80 : 122,959,894.20 = 25,239,566.80 : x
  2. Step 2: Convert to fraction form
    81,973,262.80/122,959,894.20 = 25,239,566.80/x
  3. Step 3: Cross multiply
    81,973,262.80x = 122,959,894.20 × 25,239,566.80
  4. Step 4: Simplify right side
    81,973,262.80x = 3,103,454,463,381,832.50
  5. Step 5: Solve for x
    x = 3,103,454,463,381,832.50/81,973,262.80
  6. Step 6: Final answer
    x = 37,859,350.20

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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.