Home / 327,872,456.35-491,810,798.49-131,152,303.96

Finding the Fourth Proportional to 327,872,456.35, 491,810,798.49 and 131,152,303.96

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Solution

The fourth proportional to 327,872,456.35, 491,810,798.49 and 131,152,303.96 is: 196,729,301.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,872,456.35 : 491,810,798.49 = 131,152,303.96 : x
  2. Step 2: Convert to fraction form
    327,872,456.35/491,810,798.49 = 131,152,303.96/x
  3. Step 3: Cross multiply
    327,872,456.35x = 491,810,798.49 × 131,152,303.96
  4. Step 4: Simplify right side
    327,872,456.35x = 64,502,119,334,370,784
  5. Step 5: Solve for x
    x = 64,502,119,334,370,784/327,872,456.35
  6. Step 6: Final answer
    x = 196,729,301.55

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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.