Home / 166,266,067.40-249,399,101.10-163,431,715.40

Finding the Fourth Proportional to 166,266,067.40, 249,399,101.10 and 163,431,715.40

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Solution

The fourth proportional to 166,266,067.40, 249,399,101.10 and 163,431,715.40 is: 245,147,573.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,266,067.40 : 249,399,101.10 = 163,431,715.40 : x
  2. Step 2: Convert to fraction form
    166,266,067.40/249,399,101.10 = 163,431,715.40/x
  3. Step 3: Cross multiply
    166,266,067.40x = 249,399,101.10 × 163,431,715.40
  4. Step 4: Simplify right side
    166,266,067.40x = 40,759,722,911,991,024
  5. Step 5: Solve for x
    x = 40,759,722,911,991,024/166,266,067.40
  6. Step 6: Final answer
    x = 245,147,573.10

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1.5x scale

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.