Home / 276,547,672.80-414,768,365.10-82,465,419.60

Finding the Fourth Proportional to 276,547,672.80, 414,768,365.10 and 82,465,419.60

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Solution

The fourth proportional to 276,547,672.80, 414,768,365.10 and 82,465,419.60 is: 123,682,282.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,547,672.80 : 414,768,365.10 = 82,465,419.60 : x
  2. Step 2: Convert to fraction form
    276,547,672.80/414,768,365.10 = 82,465,419.60/x
  3. Step 3: Cross multiply
    276,547,672.80x = 414,768,365.10 × 82,465,419.60
  4. Step 4: Simplify right side
    276,547,672.80x = 34,204,047,264,777,496
  5. Step 5: Solve for x
    x = 34,204,047,264,777,496/276,547,672.80
  6. Step 6: Final answer
    x = 123,682,282.04

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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.