Home / 188,505,909.20-282,758,863.80-52,191,292.70

Finding the Fourth Proportional to 188,505,909.20, 282,758,863.80 and 52,191,292.70

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Solution

The fourth proportional to 188,505,909.20, 282,758,863.80 and 52,191,292.70 is: 78,286,939.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,505,909.20 : 282,758,863.80 = 52,191,292.70 : x
  2. Step 2: Convert to fraction form
    188,505,909.20/282,758,863.80 = 52,191,292.70/x
  3. Step 3: Cross multiply
    188,505,909.20x = 282,758,863.80 × 52,191,292.70
  4. Step 4: Simplify right side
    188,505,909.20x = 14,757,550,624,105,236
  5. Step 5: Solve for x
    x = 14,757,550,624,105,236/188,505,909.20
  6. Step 6: Final answer
    x = 78,286,939.05

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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.