Home / 166,212,002.30-249,318,003.45-161,429,033.30

Finding the Fourth Proportional to 166,212,002.30, 249,318,003.45 and 161,429,033.30

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Solution

The fourth proportional to 166,212,002.30, 249,318,003.45 and 161,429,033.30 is: 242,143,549.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,212,002.30 : 249,318,003.45 = 161,429,033.30 : x
  2. Step 2: Convert to fraction form
    166,212,002.30/249,318,003.45 = 161,429,033.30/x
  3. Step 3: Cross multiply
    166,212,002.30x = 249,318,003.45 × 161,429,033.30
  4. Step 4: Simplify right side
    166,212,002.30x = 40,247,164,281,219,568
  5. Step 5: Solve for x
    x = 40,247,164,281,219,568/166,212,002.30
  6. Step 6: Final answer
    x = 242,143,549.95

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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.