Home / 212,040,850,865.29-318,037,781,314.30-75,897,537,892.66

Finding the Fourth Proportional to 212,040,850,865.29, 318,037,781,314.30 and 75,897,537,892.66

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Solution

The fourth proportional to 212,040,850,865.29, 318,037,781,314.30 and 75,897,537,892.66 is: 113,837,897,084.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,040,850,865.29 : 318,037,781,314.30 = 75,897,537,892.66 : x
  2. Step 2: Convert to fraction form
    212,040,850,865.29/318,037,781,314.30 = 75,897,537,892.66/x
  3. Step 3: Cross multiply
    212,040,850,865.29x = 318,037,781,314.30 × 75,897,537,892.66
  4. Step 4: Simplify right side
    212,040,850,865.29x = 24,138,284,558,599,598,374,912
  5. Step 5: Solve for x
    x = 24,138,284,558,599,598,374,912/212,040,850,865.29
  6. Step 6: Final answer
    x = 113,837,897,084.91

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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.