Home / 145,464,405.14-200,745,134.92-79,389,141.42

Finding the Fourth Proportional to 145,464,405.14, 200,745,134.92 and 79,389,141.42

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Solution

The fourth proportional to 145,464,405.14, 200,745,134.92 and 79,389,141.42 is: 109,559,337.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,464,405.14 : 200,745,134.92 = 79,389,141.42 : x
  2. Step 2: Convert to fraction form
    145,464,405.14/200,745,134.92 = 79,389,141.42/x
  3. Step 3: Cross multiply
    145,464,405.14x = 200,745,134.92 × 79,389,141.42
  4. Step 4: Simplify right side
    145,464,405.14x = 15,936,983,905,540,860
  5. Step 5: Solve for x
    x = 15,936,983,905,540,860/145,464,405.14
  6. Step 6: Final answer
    x = 109,559,337.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.