Home / 117,489,187.20-176,165,352-45,601,622.40

Finding the Fourth Proportional to 117,489,187.20, 176,165,352 and 45,601,622.40

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Solution

The fourth proportional to 117,489,187.20, 176,165,352 and 45,601,622.40 is: 68,375,874.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,489,187.20 : 176,165,352 = 45,601,622.40 : x
  2. Step 2: Convert to fraction form
    117,489,187.20/176,165,352 = 45,601,622.40/x
  3. Step 3: Cross multiply
    117,489,187.20x = 176,165,352 × 45,601,622.40
  4. Step 4: Simplify right side
    117,489,187.20x = 8,033,425,861,867,085
  5. Step 5: Solve for x
    x = 8,033,425,861,867,085/117,489,187.20
  6. Step 6: Final answer
    x = 68,375,874.01

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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.