Home / 54,348,713.10-81,469,925.55-48,609,150.30

Finding the Fourth Proportional to 54,348,713.10, 81,469,925.55 and 48,609,150.30

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Solution

The fourth proportional to 54,348,713.10, 81,469,925.55 and 48,609,150.30 is: 72,866,193.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,348,713.10 : 81,469,925.55 = 48,609,150.30 : x
  2. Step 2: Convert to fraction form
    54,348,713.10/81,469,925.55 = 48,609,150.30/x
  3. Step 3: Cross multiply
    54,348,713.10x = 81,469,925.55 × 48,609,150.30
  4. Step 4: Simplify right side
    54,348,713.10x = 3,960,183,855,989,760
  5. Step 5: Solve for x
    x = 3,960,183,855,989,760/54,348,713.10
  6. Step 6: Final answer
    x = 72,866,193.70

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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.