Home / 81,920,321.18-113,045,505.98-44,743,199.30

Finding the Fourth Proportional to 81,920,321.18, 113,045,505.98 and 44,743,199.30

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Solution

The fourth proportional to 81,920,321.18, 113,045,505.98 and 44,743,199.30 is: 61,743,136.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,920,321.18 : 113,045,505.98 = 44,743,199.30 : x
  2. Step 2: Convert to fraction form
    81,920,321.18/113,045,505.98 = 44,743,199.30/x
  3. Step 3: Cross multiply
    81,920,321.18x = 113,045,505.98 × 44,743,199.30
  4. Step 4: Simplify right side
    81,920,321.18x = 5,058,017,604,032,482
  5. Step 5: Solve for x
    x = 5,058,017,604,032,482/81,920,321.18
  6. Step 6: Final answer
    x = 61,743,136.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.