Home / 190,128,529.20-285,192,793.80-88,091,857.20

Finding the Fourth Proportional to 190,128,529.20, 285,192,793.80 and 88,091,857.20

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Solution

The fourth proportional to 190,128,529.20, 285,192,793.80 and 88,091,857.20 is: 132,137,785.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,128,529.20 : 285,192,793.80 = 88,091,857.20 : x
  2. Step 2: Convert to fraction form
    190,128,529.20/285,192,793.80 = 88,091,857.20/x
  3. Step 3: Cross multiply
    190,128,529.20x = 285,192,793.80 × 88,091,857.20
  4. Step 4: Simplify right side
    190,128,529.20x = 25,123,162,865,898,648
  5. Step 5: Solve for x
    x = 25,123,162,865,898,648/190,128,529.20
  6. Step 6: Final answer
    x = 132,137,785.80

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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.