Home / 95,742,302.70-143,520,142.05-54,759,672.30

Finding the Fourth Proportional to 95,742,302.70, 143,520,142.05 and 54,759,672.30

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Solution

The fourth proportional to 95,742,302.70, 143,520,142.05 and 54,759,672.30 is: 82,086,138.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,742,302.70 : 143,520,142.05 = 54,759,672.30 : x
  2. Step 2: Convert to fraction form
    95,742,302.70/143,520,142.05 = 54,759,672.30/x
  3. Step 3: Cross multiply
    95,742,302.70x = 143,520,142.05 × 54,759,672.30
  4. Step 4: Simplify right side
    95,742,302.70x = 7,859,115,947,107,450
  5. Step 5: Solve for x
    x = 7,859,115,947,107,450/95,742,302.70
  6. Step 6: Final answer
    x = 82,086,138.79

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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.