Home / 166,475,455.80-249,545,222.10-75,664,217.40

Finding the Fourth Proportional to 166,475,455.80, 249,545,222.10 and 75,664,217.40

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Solution

The fourth proportional to 166,475,455.80, 249,545,222.10 and 75,664,217.40 is: 113,419,986.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,475,455.80 : 249,545,222.10 = 75,664,217.40 : x
  2. Step 2: Convert to fraction form
    166,475,455.80/249,545,222.10 = 75,664,217.40/x
  3. Step 3: Cross multiply
    166,475,455.80x = 249,545,222.10 × 75,664,217.40
  4. Step 4: Simplify right side
    166,475,455.80x = 18,881,643,936,105,684
  5. Step 5: Solve for x
    x = 18,881,643,936,105,684/166,475,455.80
  6. Step 6: Final answer
    x = 113,419,986.42

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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.