Home / 243,543,846.72-365,376,734.24-71,020,680.32

Finding the Fourth Proportional to 243,543,846.72, 365,376,734.24 and 71,020,680.32

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Solution

The fourth proportional to 243,543,846.72, 365,376,734.24 and 71,020,680.32 is: 106,548,798.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,543,846.72 : 365,376,734.24 = 71,020,680.32 : x
  2. Step 2: Convert to fraction form
    243,543,846.72/365,376,734.24 = 71,020,680.32/x
  3. Step 3: Cross multiply
    243,543,846.72x = 365,376,734.24 × 71,020,680.32
  4. Step 4: Simplify right side
    243,543,846.72x = 25,949,304,238,824,636
  5. Step 5: Solve for x
    x = 25,949,304,238,824,636/243,543,846.72
  6. Step 6: Final answer
    x = 106,548,798.45

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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.