Home / 211,781,052.11-317,689,885.49-58,427,108.55

Finding the Fourth Proportional to 211,781,052.11, 317,689,885.49 and 58,427,108.55

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Solution

The fourth proportional to 211,781,052.11, 317,689,885.49 and 58,427,108.55 is: 87,645,713.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,781,052.11 : 317,689,885.49 = 58,427,108.55 : x
  2. Step 2: Convert to fraction form
    211,781,052.11/317,689,885.49 = 58,427,108.55/x
  3. Step 3: Cross multiply
    211,781,052.11x = 317,689,885.49 × 58,427,108.55
  4. Step 4: Simplify right side
    211,781,052.11x = 18,561,701,424,469,164
  5. Step 5: Solve for x
    x = 18,561,701,424,469,164/211,781,052.11
  6. Step 6: Final answer
    x = 87,645,713.53

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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.