Home / 81,752,773.42-122,108,008.60-73,959,720.22

Finding the Fourth Proportional to 81,752,773.42, 122,108,008.60 and 73,959,720.22

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Solution

The fourth proportional to 81,752,773.42, 122,108,008.60 and 73,959,720.22 is: 110,468,107.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,752,773.42 : 122,108,008.60 = 73,959,720.22 : x
  2. Step 2: Convert to fraction form
    81,752,773.42/122,108,008.60 = 73,959,720.22/x
  3. Step 3: Cross multiply
    81,752,773.42x = 122,108,008.60 × 73,959,720.22
  4. Step 4: Simplify right side
    81,752,773.42x = 9,031,074,152,677,354
  5. Step 5: Solve for x
    x = 9,031,074,152,677,354/81,752,773.42
  6. Step 6: Final answer
    x = 110,468,107.38

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.