Home / 268,775,964.42-371,025,482.22-180,721,002.12

Finding the Fourth Proportional to 268,775,964.42, 371,025,482.22 and 180,721,002.12

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Solution

The fourth proportional to 268,775,964.42, 371,025,482.22 and 180,721,002.12 is: 249,472,072.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,775,964.42 : 371,025,482.22 = 180,721,002.12 : x
  2. Step 2: Convert to fraction form
    268,775,964.42/371,025,482.22 = 180,721,002.12/x
  3. Step 3: Cross multiply
    268,775,964.42x = 371,025,482.22 × 180,721,002.12
  4. Step 4: Simplify right side
    268,775,964.42x = 67,052,096,958,854,648
  5. Step 5: Solve for x
    x = 67,052,096,958,854,648/268,775,964.42
  6. Step 6: Final answer
    x = 249,472,072.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.