Home / 161,442,518.31-242,334,217.67-75,264,045.75

Finding the Fourth Proportional to 161,442,518.31, 242,334,217.67 and 75,264,045.75

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Solution

The fourth proportional to 161,442,518.31, 242,334,217.67 and 75,264,045.75 is: 112,975,527.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,442,518.31 : 242,334,217.67 = 75,264,045.75 : x
  2. Step 2: Convert to fraction form
    161,442,518.31/242,334,217.67 = 75,264,045.75/x
  3. Step 3: Cross multiply
    161,442,518.31x = 242,334,217.67 × 75,264,045.75
  4. Step 4: Simplify right side
    161,442,518.31x = 18,239,053,645,129,016
  5. Step 5: Solve for x
    x = 18,239,053,645,129,016/161,442,518.31
  6. Step 6: Final answer
    x = 112,975,527.36

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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.