Home / 45,582,947.20-68,374,420.80-13,670,243.20

Finding the Fourth Proportional to 45,582,947.20, 68,374,420.80 and 13,670,243.20

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Solution

The fourth proportional to 45,582,947.20, 68,374,420.80 and 13,670,243.20 is: 20,505,364.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,582,947.20 : 68,374,420.80 = 13,670,243.20 : x
  2. Step 2: Convert to fraction form
    45,582,947.20/68,374,420.80 = 13,670,243.20/x
  3. Step 3: Cross multiply
    45,582,947.20x = 68,374,420.80 × 13,670,243.20
  4. Step 4: Simplify right side
    45,582,947.20x = 934,694,960,995,138.50
  5. Step 5: Solve for x
    x = 934,694,960,995,138.50/45,582,947.20
  6. Step 6: Final answer
    x = 20,505,364.80

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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.