Home / 54,438,350.40-81,421,329.60-48,722,407.20

Finding the Fourth Proportional to 54,438,350.40, 81,421,329.60 and 48,722,407.20

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Solution

The fourth proportional to 54,438,350.40, 81,421,329.60 and 48,722,407.20 is: 72,872,215.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,438,350.40 : 81,421,329.60 = 48,722,407.20 : x
  2. Step 2: Convert to fraction form
    54,438,350.40/81,421,329.60 = 48,722,407.20/x
  3. Step 3: Cross multiply
    54,438,350.40x = 81,421,329.60 × 48,722,407.20
  4. Step 4: Simplify right side
    54,438,350.40x = 3,967,043,175,536,613
  5. Step 5: Solve for x
    x = 3,967,043,175,536,613/54,438,350.40
  6. Step 6: Final answer
    x = 72,872,215.02

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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.