Home / 68,949,412.20-103,424,118.30-28,008,772.20

Finding the Fourth Proportional to 68,949,412.20, 103,424,118.30 and 28,008,772.20

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Solution

The fourth proportional to 68,949,412.20, 103,424,118.30 and 28,008,772.20 is: 42,013,158.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,949,412.20 : 103,424,118.30 = 28,008,772.20 : x
  2. Step 2: Convert to fraction form
    68,949,412.20/103,424,118.30 = 28,008,772.20/x
  3. Step 3: Cross multiply
    68,949,412.20x = 103,424,118.30 × 28,008,772.20
  4. Step 4: Simplify right side
    68,949,412.20x = 2,896,782,569,450,551
  5. Step 5: Solve for x
    x = 2,896,782,569,450,551/68,949,412.20
  6. Step 6: Final answer
    x = 42,013,158.30

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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.