Home / 51,288,139.10-70,776,328.56-28,656,696.44

Finding the Fourth Proportional to 51,288,139.10, 70,776,328.56 and 28,656,696.44

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Solution

The fourth proportional to 51,288,139.10, 70,776,328.56 and 28,656,696.44 is: 39,545,512.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,288,139.10 : 70,776,328.56 = 28,656,696.44 : x
  2. Step 2: Convert to fraction form
    51,288,139.10/70,776,328.56 = 28,656,696.44/x
  3. Step 3: Cross multiply
    51,288,139.10x = 70,776,328.56 × 28,656,696.44
  4. Step 4: Simplify right side
    51,288,139.10x = 2,028,215,762,681,622.50
  5. Step 5: Solve for x
    x = 2,028,215,762,681,622.50/51,288,139.10
  6. Step 6: Final answer
    x = 39,545,512.83

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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.