Home / 133,075,766.20-199,613,649.30-131,284,175.80

Finding the Fourth Proportional to 133,075,766.20, 199,613,649.30 and 131,284,175.80

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Solution

The fourth proportional to 133,075,766.20, 199,613,649.30 and 131,284,175.80 is: 196,926,263.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,075,766.20 : 199,613,649.30 = 131,284,175.80 : x
  2. Step 2: Convert to fraction form
    133,075,766.20/199,613,649.30 = 131,284,175.80/x
  3. Step 3: Cross multiply
    133,075,766.20x = 199,613,649.30 × 131,284,175.80
  4. Step 4: Simplify right side
    133,075,766.20x = 26,206,113,426,780,748
  5. Step 5: Solve for x
    x = 26,206,113,426,780,748/133,075,766.20
  6. Step 6: Final answer
    x = 196,926,263.70

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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.