Home / 141,680,315,195.78-212,520,876,244.12-40,959,382,165.16

Finding the Fourth Proportional to 141,680,315,195.78, 212,520,876,244.12 and 40,959,382,165.16

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Solution

The fourth proportional to 141,680,315,195.78, 212,520,876,244.12 and 40,959,382,165.16 is: 61,439,189,884.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,680,315,195.78 : 212,520,876,244.12 = 40,959,382,165.16 : x
  2. Step 2: Convert to fraction form
    141,680,315,195.78/212,520,876,244.12 = 40,959,382,165.16/x
  3. Step 3: Cross multiply
    141,680,315,195.78x = 212,520,876,244.12 × 40,959,382,165.16
  4. Step 4: Simplify right side
    141,680,315,195.78x = 8,704,723,788,156,733,751,296
  5. Step 5: Solve for x
    x = 8,704,723,788,156,733,751,296/141,680,315,195.78
  6. Step 6: Final answer
    x = 61,439,189,884.13

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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.