Home / 51,254,367.30-70,730,082.09-28,049,028.84

Finding the Fourth Proportional to 51,254,367.30, 70,730,082.09 and 28,049,028.84

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Solution

The fourth proportional to 51,254,367.30, 70,730,082.09 and 28,049,028.84 is: 38,707,142.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,254,367.30 : 70,730,082.09 = 28,049,028.84 : x
  2. Step 2: Convert to fraction form
    51,254,367.30/70,730,082.09 = 28,049,028.84/x
  3. Step 3: Cross multiply
    51,254,367.30x = 70,730,082.09 × 28,049,028.84
  4. Step 4: Simplify right side
    51,254,367.30x = 1,983,910,112,397,977.50
  5. Step 5: Solve for x
    x = 1,983,910,112,397,977.50/51,254,367.30
  6. Step 6: Final answer
    x = 38,707,142.76

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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.