Home / 68,989,678.56-103,484,517.92-28,039,523.49

Finding the Fourth Proportional to 68,989,678.56, 103,484,517.92 and 28,039,523.49

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Solution

The fourth proportional to 68,989,678.56, 103,484,517.92 and 28,039,523.49 is: 42,059,285.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,989,678.56 : 103,484,517.92 = 28,039,523.49 : x
  2. Step 2: Convert to fraction form
    68,989,678.56/103,484,517.92 = 28,039,523.49/x
  3. Step 3: Cross multiply
    68,989,678.56x = 103,484,517.92 × 28,039,523.49
  4. Step 4: Simplify right side
    68,989,678.56x = 2,901,656,571,069,166
  5. Step 5: Solve for x
    x = 2,901,656,571,069,166/68,989,678.56
  6. Step 6: Final answer
    x = 42,059,285.27

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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.