Home / 167,949,382,970.43-252,103,350,858.72-72,382,564,374.72

Finding the Fourth Proportional to 167,949,382,970.43, 252,103,350,858.72 and 72,382,564,374.72

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Solution

The fourth proportional to 167,949,382,970.43, 252,103,350,858.72 and 72,382,564,374.72 is: 108,651,110,828.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,949,382,970.43 : 252,103,350,858.72 = 72,382,564,374.72 : x
  2. Step 2: Convert to fraction form
    167,949,382,970.43/252,103,350,858.72 = 72,382,564,374.72/x
  3. Step 3: Cross multiply
    167,949,382,970.43x = 252,103,350,858.72 × 72,382,564,374.72
  4. Step 4: Simplify right side
    167,949,382,970.43x = 18,247,887,022,613,923,364,864
  5. Step 5: Solve for x
    x = 18,247,887,022,613,923,364,864/167,949,382,970.43
  6. Step 6: Final answer
    x = 108,651,110,828.00

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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.