Home / 167,949,382,799.43-252,103,350,602.21-72,382,564,203.62

Finding the Fourth Proportional to 167,949,382,799.43, 252,103,350,602.21 and 72,382,564,203.62

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Solution

The fourth proportional to 167,949,382,799.43, 252,103,350,602.21 and 72,382,564,203.62 is: 108,651,110,571.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,949,382,799.43 : 252,103,350,602.21 = 72,382,564,203.62 : x
  2. Step 2: Convert to fraction form
    167,949,382,799.43/252,103,350,602.21 = 72,382,564,203.62/x
  3. Step 3: Cross multiply
    167,949,382,799.43x = 252,103,350,602.21 × 72,382,564,203.62
  4. Step 4: Simplify right side
    167,949,382,799.43x = 18,247,886,960,910,927,921,152
  5. Step 5: Solve for x
    x = 18,247,886,960,910,927,921,152/167,949,382,799.43
  6. Step 6: Final answer
    x = 108,651,110,571.23

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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.