Home / 212,040,850,863.79-318,037,781,312.05-75,897,537,891.16

Finding the Fourth Proportional to 212,040,850,863.79, 318,037,781,312.05 and 75,897,537,891.16

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Solution

The fourth proportional to 212,040,850,863.79, 318,037,781,312.05 and 75,897,537,891.16 is: 113,837,897,082.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,040,850,863.79 : 318,037,781,312.05 = 75,897,537,891.16 : x
  2. Step 2: Convert to fraction form
    212,040,850,863.79/318,037,781,312.05 = 75,897,537,891.16/x
  3. Step 3: Cross multiply
    212,040,850,863.79x = 318,037,781,312.05 × 75,897,537,891.16
  4. Step 4: Simplify right side
    212,040,850,863.79x = 24,138,284,557,951,771,344,896
  5. Step 5: Solve for x
    x = 24,138,284,557,951,771,344,896/212,040,850,863.79
  6. Step 6: Final answer
    x = 113,837,897,082.66

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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.