Home / 141,680,315,196.78-212,520,876,245.62-40,959,382,166.16

Finding the Fourth Proportional to 141,680,315,196.78, 212,520,876,245.62 and 40,959,382,166.16

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Solution

The fourth proportional to 141,680,315,196.78, 212,520,876,245.62 and 40,959,382,166.16 is: 61,439,189,885.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,680,315,196.78 : 212,520,876,245.62 = 40,959,382,166.16 : x
  2. Step 2: Convert to fraction form
    141,680,315,196.78/212,520,876,245.62 = 40,959,382,166.16/x
  3. Step 3: Cross multiply
    141,680,315,196.78x = 212,520,876,245.62 × 40,959,382,166.16
  4. Step 4: Simplify right side
    141,680,315,196.78x = 8,704,723,788,431,544,549,376
  5. Step 5: Solve for x
    x = 8,704,723,788,431,544,549,376/141,680,315,196.78
  6. Step 6: Final answer
    x = 61,439,189,885.63

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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.