Home / 217,291,248.45-325,936,872.68-166,272,912.45

Finding the Fourth Proportional to 217,291,248.45, 325,936,872.68 and 166,272,912.45

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Solution

The fourth proportional to 217,291,248.45, 325,936,872.68 and 166,272,912.45 is: 249,409,368.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,291,248.45 : 325,936,872.68 = 166,272,912.45 : x
  2. Step 2: Convert to fraction form
    217,291,248.45/325,936,872.68 = 166,272,912.45/x
  3. Step 3: Cross multiply
    217,291,248.45x = 325,936,872.68 × 166,272,912.45
  4. Step 4: Simplify right side
    217,291,248.45x = 54,194,473,094,517,072
  5. Step 5: Solve for x
    x = 54,194,473,094,517,072/217,291,248.45
  6. Step 6: Final answer
    x = 249,409,368.68

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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.