Home / 51,985,288.27-71,739,715.17-28,465,312.57

Finding the Fourth Proportional to 51,985,288.27, 71,739,715.17 and 28,465,312.57

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Solution

The fourth proportional to 51,985,288.27, 71,739,715.17 and 28,465,312.57 is: 39,282,140.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,985,288.27 : 71,739,715.17 = 28,465,312.57 : x
  2. Step 2: Convert to fraction form
    51,985,288.27/71,739,715.17 = 28,465,312.57/x
  3. Step 3: Cross multiply
    51,985,288.27x = 71,739,715.17 × 28,465,312.57
  4. Step 4: Simplify right side
    51,985,288.27x = 2,042,093,415,996,820.75
  5. Step 5: Solve for x
    x = 2,042,093,415,996,820.75/51,985,288.27
  6. Step 6: Final answer
    x = 39,282,140.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.