Home / 166,486,067.70-249,729,101.55-163,616,286.30

Finding the Fourth Proportional to 166,486,067.70, 249,729,101.55 and 163,616,286.30

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Solution

The fourth proportional to 166,486,067.70, 249,729,101.55 and 163,616,286.30 is: 245,424,429.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,486,067.70 : 249,729,101.55 = 163,616,286.30 : x
  2. Step 2: Convert to fraction form
    166,486,067.70/249,729,101.55 = 163,616,286.30/x
  3. Step 3: Cross multiply
    166,486,067.70x = 249,729,101.55 × 163,616,286.30
  4. Step 4: Simplify right side
    166,486,067.70x = 40,859,748,176,646,576
  5. Step 5: Solve for x
    x = 40,859,748,176,646,576/166,486,067.70
  6. Step 6: Final answer
    x = 245,424,429.45

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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.