Home / 314,338,220.80-471,507,331.20-161,283,212.80

Finding the Fourth Proportional to 314,338,220.80, 471,507,331.20 and 161,283,212.80

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Solution

The fourth proportional to 314,338,220.80, 471,507,331.20 and 161,283,212.80 is: 241,924,819.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,338,220.80 : 471,507,331.20 = 161,283,212.80 : x
  2. Step 2: Convert to fraction form
    314,338,220.80/471,507,331.20 = 161,283,212.80/x
  3. Step 3: Cross multiply
    314,338,220.80x = 471,507,331.20 × 161,283,212.80
  4. Step 4: Simplify right side
    314,338,220.80x = 76,046,217,234,689,680
  5. Step 5: Solve for x
    x = 76,046,217,234,689,680/314,338,220.80
  6. Step 6: Final answer
    x = 241,924,819.20

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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.