Home / 84,419,623.84-126,638,617.20-26,898,374.56

Finding the Fourth Proportional to 84,419,623.84, 126,638,617.20 and 26,898,374.56

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Solution

The fourth proportional to 84,419,623.84, 126,638,617.20 and 26,898,374.56 is: 40,350,487.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,419,623.84 : 126,638,617.20 = 26,898,374.56 : x
  2. Step 2: Convert to fraction form
    84,419,623.84/126,638,617.20 = 26,898,374.56/x
  3. Step 3: Cross multiply
    84,419,623.84x = 126,638,617.20 × 26,898,374.56
  4. Step 4: Simplify right side
    84,419,623.84x = 3,406,372,959,206,058.50
  5. Step 5: Solve for x
    x = 3,406,372,959,206,058.50/84,419,623.84
  6. Step 6: Final answer
    x = 40,350,487.30

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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.