Home / 190,289,939.80-285,434,909.70-132,894,311.80

Finding the Fourth Proportional to 190,289,939.80, 285,434,909.70 and 132,894,311.80

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Solution

The fourth proportional to 190,289,939.80, 285,434,909.70 and 132,894,311.80 is: 199,341,467.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,289,939.80 : 285,434,909.70 = 132,894,311.80 : x
  2. Step 2: Convert to fraction form
    190,289,939.80/285,434,909.70 = 132,894,311.80/x
  3. Step 3: Cross multiply
    190,289,939.80x = 285,434,909.70 × 132,894,311.80
  4. Step 4: Simplify right side
    190,289,939.80x = 37,932,675,888,276,640
  5. Step 5: Solve for x
    x = 37,932,675,888,276,640/190,289,939.80
  6. Step 6: Final answer
    x = 199,341,467.70

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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.