Home / 267,969,773.65-401,859,536.93-78,623,041.20

Finding the Fourth Proportional to 267,969,773.65, 401,859,536.93 and 78,623,041.20

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Solution

The fourth proportional to 267,969,773.65, 401,859,536.93 and 78,623,041.20 is: 117,906,652.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,969,773.65 : 401,859,536.93 = 78,623,041.20 : x
  2. Step 2: Convert to fraction form
    267,969,773.65/401,859,536.93 = 78,623,041.20/x
  3. Step 3: Cross multiply
    267,969,773.65x = 401,859,536.93 × 78,623,041.20
  4. Step 4: Simplify right side
    267,969,773.65x = 31,595,418,926,651,012
  5. Step 5: Solve for x
    x = 31,595,418,926,651,012/267,969,773.65
  6. Step 6: Final answer
    x = 117,906,652.29

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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.