Home / 166,212,009.80-249,318,014.70-161,429,040.80

Finding the Fourth Proportional to 166,212,009.80, 249,318,014.70 and 161,429,040.80

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Solution

The fourth proportional to 166,212,009.80, 249,318,014.70 and 161,429,040.80 is: 242,143,561.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,212,009.80 : 249,318,014.70 = 161,429,040.80 : x
  2. Step 2: Convert to fraction form
    166,212,009.80/249,318,014.70 = 161,429,040.80/x
  3. Step 3: Cross multiply
    166,212,009.80x = 249,318,014.70 × 161,429,040.80
  4. Step 4: Simplify right side
    166,212,009.80x = 40,247,167,967,181,304
  5. Step 5: Solve for x
    x = 40,247,167,967,181,304/166,212,009.80
  6. Step 6: Final answer
    x = 242,143,561.20

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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.