Home / 145,624,318.56-218,469,059.28-54,748,694.88

Finding the Fourth Proportional to 145,624,318.56, 218,469,059.28 and 54,748,694.88

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Solution

The fourth proportional to 145,624,318.56, 218,469,059.28 and 54,748,694.88 is: 82,135,291.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,624,318.56 : 218,469,059.28 = 54,748,694.88 : x
  2. Step 2: Convert to fraction form
    145,624,318.56/218,469,059.28 = 54,748,694.88/x
  3. Step 3: Cross multiply
    145,624,318.56x = 218,469,059.28 × 54,748,694.88
  4. Step 4: Simplify right side
    145,624,318.56x = 11,960,895,867,241,354
  5. Step 5: Solve for x
    x = 11,960,895,867,241,354/145,624,318.56
  6. Step 6: Final answer
    x = 82,135,291.59

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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.