Home / 50,807,744.28-70,116,121.50-28,781,236.92

Finding the Fourth Proportional to 50,807,744.28, 70,116,121.50 and 28,781,236.92

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Solution

The fourth proportional to 50,807,744.28, 70,116,121.50 and 28,781,236.92 is: 39,718,919.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,807,744.28 : 70,116,121.50 = 28,781,236.92 : x
  2. Step 2: Convert to fraction form
    50,807,744.28/70,116,121.50 = 28,781,236.92/x
  3. Step 3: Cross multiply
    50,807,744.28x = 70,116,121.50 × 28,781,236.92
  4. Step 4: Simplify right side
    50,807,744.28x = 2,018,028,704,803,006
  5. Step 5: Solve for x
    x = 2,018,028,704,803,006/50,807,744.28
  6. Step 6: Final answer
    x = 39,718,919.50

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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.