Home / 81,657,527.10-122,131,996.65-73,083,612.30

Finding the Fourth Proportional to 81,657,527.10, 122,131,996.65 and 73,083,612.30

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Solution

The fourth proportional to 81,657,527.10, 122,131,996.65 and 73,083,612.30 is: 109,308,324.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,657,527.10 : 122,131,996.65 = 73,083,612.30 : x
  2. Step 2: Convert to fraction form
    81,657,527.10/122,131,996.65 = 73,083,612.30/x
  3. Step 3: Cross multiply
    81,657,527.10x = 122,131,996.65 × 73,083,612.30
  4. Step 4: Simplify right side
    81,657,527.10x = 8,925,847,492,593,499
  5. Step 5: Solve for x
    x = 8,925,847,492,593,499/81,657,527.10
  6. Step 6: Final answer
    x = 109,308,324.78

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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.