Home / 166,304,370-249,452,355.96-45,132,672.72

Finding the Fourth Proportional to 166,304,370, 249,452,355.96 and 45,132,672.72

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Solution

The fourth proportional to 166,304,370, 249,452,355.96 and 45,132,672.72 is: 67,697,869.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,304,370 : 249,452,355.96 = 45,132,672.72 : x
  2. Step 2: Convert to fraction form
    166,304,370/249,452,355.96 = 45,132,672.72/x
  3. Step 3: Cross multiply
    166,304,370x = 249,452,355.96 × 45,132,672.72
  4. Step 4: Simplify right side
    166,304,370x = 11,258,451,540,775,622
  5. Step 5: Solve for x
    x = 11,258,451,540,775,622/166,304,370
  6. Step 6: Final answer
    x = 67,697,869.52

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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.