Home / 42,912,087.20-64,318,364.40-17,336,304.80

Finding the Fourth Proportional to 42,912,087.20, 64,318,364.40 and 17,336,304.80

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Solution

The fourth proportional to 42,912,087.20, 64,318,364.40 and 17,336,304.80 is: 25,984,351.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,912,087.20 : 64,318,364.40 = 17,336,304.80 : x
  2. Step 2: Convert to fraction form
    42,912,087.20/64,318,364.40 = 17,336,304.80/x
  3. Step 3: Cross multiply
    42,912,087.20x = 64,318,364.40 × 17,336,304.80
  4. Step 4: Simplify right side
    42,912,087.20x = 1,115,042,769,475,869.12
  5. Step 5: Solve for x
    x = 1,115,042,769,475,869.12/42,912,087.20
  6. Step 6: Final answer
    x = 25,984,351.78

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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.