Home / 112,353,877.88-168,530,816.86-31,574,845.88

Finding the Fourth Proportional to 112,353,877.88, 168,530,816.86 and 31,574,845.88

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Solution

The fourth proportional to 112,353,877.88, 168,530,816.86 and 31,574,845.88 is: 47,362,268.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,353,877.88 : 168,530,816.86 = 31,574,845.88 : x
  2. Step 2: Convert to fraction form
    112,353,877.88/168,530,816.86 = 31,574,845.88/x
  3. Step 3: Cross multiply
    112,353,877.88x = 168,530,816.86 × 31,574,845.88
  4. Step 4: Simplify right side
    112,353,877.88x = 5,321,334,568,385,006
  5. Step 5: Solve for x
    x = 5,321,334,568,385,006/112,353,877.88
  6. Step 6: Final answer
    x = 47,362,268.83

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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.