Home / 47,513,890.80-71,199,977.40-40,286,293.20

Finding the Fourth Proportional to 47,513,890.80, 71,199,977.40 and 40,286,293.20

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Solution

The fourth proportional to 47,513,890.80, 71,199,977.40 and 40,286,293.20 is: 60,369,359.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,513,890.80 : 71,199,977.40 = 40,286,293.20 : x
  2. Step 2: Convert to fraction form
    47,513,890.80/71,199,977.40 = 40,286,293.20/x
  3. Step 3: Cross multiply
    47,513,890.80x = 71,199,977.40 × 40,286,293.20
  4. Step 4: Simplify right side
    47,513,890.80x = 2,868,383,165,369,774
  5. Step 5: Solve for x
    x = 2,868,383,165,369,774/47,513,890.80
  6. Step 6: Final answer
    x = 60,369,359.72

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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.