Home / 166,060,721.70-249,232,800.15-74,085,999.30

Finding the Fourth Proportional to 166,060,721.70, 249,232,800.15 and 74,085,999.30

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Solution

The fourth proportional to 166,060,721.70, 249,232,800.15 and 74,085,999.30 is: 111,192,224.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,060,721.70 : 249,232,800.15 = 74,085,999.30 : x
  2. Step 2: Convert to fraction form
    166,060,721.70/249,232,800.15 = 74,085,999.30/x
  3. Step 3: Cross multiply
    166,060,721.70x = 249,232,800.15 × 74,085,999.30
  4. Step 4: Simplify right side
    166,060,721.70x = 18,464,661,057,449,940
  5. Step 5: Solve for x
    x = 18,464,661,057,449,940/166,060,721.70
  6. Step 6: Final answer
    x = 111,192,224.56

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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.