Home / 167,140,839.80-250,711,259.70-138,419,406.20

Finding the Fourth Proportional to 167,140,839.80, 250,711,259.70 and 138,419,406.20

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Solution

The fourth proportional to 167,140,839.80, 250,711,259.70 and 138,419,406.20 is: 207,629,109.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,140,839.80 : 250,711,259.70 = 138,419,406.20 : x
  2. Step 2: Convert to fraction form
    167,140,839.80/250,711,259.70 = 138,419,406.20/x
  3. Step 3: Cross multiply
    167,140,839.80x = 250,711,259.70 × 138,419,406.20
  4. Step 4: Simplify right side
    167,140,839.80x = 34,703,303,695,327,984
  5. Step 5: Solve for x
    x = 34,703,303,695,327,984/167,140,839.80
  6. Step 6: Final answer
    x = 207,629,109.30

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1.5x scale

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.