Home / 166,212,005.80-249,318,008.70-100,738,474.60

Finding the Fourth Proportional to 166,212,005.80, 249,318,008.70 and 100,738,474.60

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Solution

The fourth proportional to 166,212,005.80, 249,318,008.70 and 100,738,474.60 is: 151,107,711.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,212,005.80 : 249,318,008.70 = 100,738,474.60 : x
  2. Step 2: Convert to fraction form
    166,212,005.80/249,318,008.70 = 100,738,474.60/x
  3. Step 3: Cross multiply
    166,212,005.80x = 249,318,008.70 × 100,738,474.60
  4. Step 4: Simplify right side
    166,212,005.80x = 25,115,915,886,747,528
  5. Step 5: Solve for x
    x = 25,115,915,886,747,528/166,212,005.80
  6. Step 6: Final answer
    x = 151,107,711.90

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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.