Home / 199,524,635.49-275,341,396.19-111,420,181.38

Finding the Fourth Proportional to 199,524,635.49, 275,341,396.19 and 111,420,181.38

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Solution

The fourth proportional to 199,524,635.49, 275,341,396.19 and 111,420,181.38 is: 153,758,397.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,524,635.49 : 275,341,396.19 = 111,420,181.38 : x
  2. Step 2: Convert to fraction form
    199,524,635.49/275,341,396.19 = 111,420,181.38/x
  3. Step 3: Cross multiply
    199,524,635.49x = 275,341,396.19 × 111,420,181.38
  4. Step 4: Simplify right side
    199,524,635.49x = 30,678,588,304,355,140
  5. Step 5: Solve for x
    x = 30,678,588,304,355,140/199,524,635.49
  6. Step 6: Final answer
    x = 153,758,397.95

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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.