Home / 115,861,491.20-173,890,214.40-47,753,062.40

Finding the Fourth Proportional to 115,861,491.20, 173,890,214.40 and 47,753,062.40

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Solution

The fourth proportional to 115,861,491.20, 173,890,214.40 and 47,753,062.40 is: 71,669,975.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,861,491.20 : 173,890,214.40 = 47,753,062.40 : x
  2. Step 2: Convert to fraction form
    115,861,491.20/173,890,214.40 = 47,753,062.40/x
  3. Step 3: Cross multiply
    115,861,491.20x = 173,890,214.40 × 47,753,062.40
  4. Step 4: Simplify right side
    115,861,491.20x = 8,303,790,258,992,579
  5. Step 5: Solve for x
    x = 8,303,790,258,992,579/115,861,491.20
  6. Step 6: Final answer
    x = 71,669,975.70

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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.