Home / 127,689,680.70-191,561,420.97-41,421,351.42

Finding the Fourth Proportional to 127,689,680.70, 191,561,420.97 and 41,421,351.42

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Solution

The fourth proportional to 127,689,680.70, 191,561,420.97 and 41,421,351.42 is: 62,140,753.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,689,680.70 : 191,561,420.97 = 41,421,351.42 : x
  2. Step 2: Convert to fraction form
    127,689,680.70/191,561,420.97 = 41,421,351.42/x
  3. Step 3: Cross multiply
    127,689,680.70x = 191,561,420.97 × 41,421,351.42
  4. Step 4: Simplify right side
    127,689,680.70x = 7,934,732,936,512,928
  5. Step 5: Solve for x
    x = 7,934,732,936,512,928/127,689,680.70
  6. Step 6: Final answer
    x = 62,140,753.22

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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.