Home / 54,464,516.10-81,612,793.35-47,242,167.30

Finding the Fourth Proportional to 54,464,516.10, 81,612,793.35 and 47,242,167.30

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Solution

The fourth proportional to 54,464,516.10, 81,612,793.35 and 47,242,167.30 is: 70,790,406.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,464,516.10 : 81,612,793.35 = 47,242,167.30 : x
  2. Step 2: Convert to fraction form
    54,464,516.10/81,612,793.35 = 47,242,167.30/x
  3. Step 3: Cross multiply
    54,464,516.10x = 81,612,793.35 × 47,242,167.30
  4. Step 4: Simplify right side
    54,464,516.10x = 3,855,565,237,261,027
  5. Step 5: Solve for x
    x = 3,855,565,237,261,027/54,464,516.10
  6. Step 6: Final answer
    x = 70,790,406.55

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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.