Home / 146,801,812.80-220,195,720.80-49,748,001.60

Finding the Fourth Proportional to 146,801,812.80, 220,195,720.80 and 49,748,001.60

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Solution

The fourth proportional to 146,801,812.80, 220,195,720.80 and 49,748,001.60 is: 74,619,630.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,801,812.80 : 220,195,720.80 = 49,748,001.60 : x
  2. Step 2: Convert to fraction form
    146,801,812.80/220,195,720.80 = 49,748,001.60/x
  3. Step 3: Cross multiply
    146,801,812.80x = 220,195,720.80 × 49,748,001.60
  4. Step 4: Simplify right side
    146,801,812.80x = 10,954,297,070,671,554
  5. Step 5: Solve for x
    x = 10,954,297,070,671,554/146,801,812.80
  6. Step 6: Final answer
    x = 74,619,630.79

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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.