Home / 117,005,221.80-175,507,832.70-82,992,997.80

Finding the Fourth Proportional to 117,005,221.80, 175,507,832.70 and 82,992,997.80

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Solution

The fourth proportional to 117,005,221.80, 175,507,832.70 and 82,992,997.80 is: 124,489,496.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,005,221.80 : 175,507,832.70 = 82,992,997.80 : x
  2. Step 2: Convert to fraction form
    117,005,221.80/175,507,832.70 = 82,992,997.80/x
  3. Step 3: Cross multiply
    117,005,221.80x = 175,507,832.70 × 82,992,997.80
  4. Step 4: Simplify right side
    117,005,221.80x = 14,565,921,173,153,866
  5. Step 5: Solve for x
    x = 14,565,921,173,153,866/117,005,221.80
  6. Step 6: Final answer
    x = 124,489,496.70

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Similar ratio
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1.5x scale

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.