Home / 42,743,059.20-64,120,809.60-13,982,227.20

Finding the Fourth Proportional to 42,743,059.20, 64,120,809.60 and 13,982,227.20

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Solution

The fourth proportional to 42,743,059.20, 64,120,809.60 and 13,982,227.20 is: 20,975,375.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,743,059.20 : 64,120,809.60 = 13,982,227.20 : x
  2. Step 2: Convert to fraction form
    42,743,059.20/64,120,809.60 = 13,982,227.20/x
  3. Step 3: Cross multiply
    42,743,059.20x = 64,120,809.60 × 13,982,227.20
  4. Step 4: Simplify right side
    42,743,059.20x = 896,551,728,075,141.12
  5. Step 5: Solve for x
    x = 896,551,728,075,141.12/42,743,059.20
  6. Step 6: Final answer
    x = 20,975,375.77

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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.