Home / 80,604,405.84-111,234,109.92-45,797,142

Finding the Fourth Proportional to 80,604,405.84, 111,234,109.92 and 45,797,142

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Solution

The fourth proportional to 80,604,405.84, 111,234,109.92 and 45,797,142 is: 63,200,072.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,604,405.84 : 111,234,109.92 = 45,797,142 : x
  2. Step 2: Convert to fraction form
    80,604,405.84/111,234,109.92 = 45,797,142/x
  3. Step 3: Cross multiply
    80,604,405.84x = 111,234,109.92 × 45,797,142
  4. Step 4: Simplify right side
    80,604,405.84x = 5,094,204,327,249,849
  5. Step 5: Solve for x
    x = 5,094,204,327,249,849/80,604,405.84
  6. Step 6: Final answer
    x = 63,200,072.93

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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.