Home / 68,057,838.20-101,993,445.30-43,722,068.60

Finding the Fourth Proportional to 68,057,838.20, 101,993,445.30 and 43,722,068.60

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Solution

The fourth proportional to 68,057,838.20, 101,993,445.30 and 43,722,068.60 is: 65,523,156.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,057,838.20 : 101,993,445.30 = 43,722,068.60 : x
  2. Step 2: Convert to fraction form
    68,057,838.20/101,993,445.30 = 43,722,068.60/x
  3. Step 3: Cross multiply
    68,057,838.20x = 101,993,445.30 × 43,722,068.60
  4. Step 4: Simplify right side
    68,057,838.20x = 4,459,364,412,156,947.50
  5. Step 5: Solve for x
    x = 4,459,364,412,156,947.50/68,057,838.20
  6. Step 6: Final answer
    x = 65,523,156.92

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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.