Home / 100,561,522.50-150,760,918.85-31,438,763.10

Finding the Fourth Proportional to 100,561,522.50, 150,760,918.85 and 31,438,763.10

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Solution

The fourth proportional to 100,561,522.50, 150,760,918.85 and 31,438,763.10 is: 47,132,707.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,561,522.50 : 150,760,918.85 = 31,438,763.10 : x
  2. Step 2: Convert to fraction form
    100,561,522.50/150,760,918.85 = 31,438,763.10/x
  3. Step 3: Cross multiply
    100,561,522.50x = 150,760,918.85 × 31,438,763.10
  4. Step 4: Simplify right side
    100,561,522.50x = 4,739,736,812,306,281
  5. Step 5: Solve for x
    x = 4,739,736,812,306,281/100,561,522.50
  6. Step 6: Final answer
    x = 47,132,707.37

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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.