Home / 217,180,728.55-299,715,608.46-132,412,739.77

Finding the Fourth Proportional to 217,180,728.55, 299,715,608.46 and 132,412,739.77

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Solution

The fourth proportional to 217,180,728.55, 299,715,608.46 and 132,412,739.77 is: 182,733,362.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,180,728.55 : 299,715,608.46 = 132,412,739.77 : x
  2. Step 2: Convert to fraction form
    217,180,728.55/299,715,608.46 = 132,412,739.77/x
  3. Step 3: Cross multiply
    217,180,728.55x = 299,715,608.46 × 132,412,739.77
  4. Step 4: Simplify right side
    217,180,728.55x = 39,686,164,868,021,184
  5. Step 5: Solve for x
    x = 39,686,164,868,021,184/217,180,728.55
  6. Step 6: Final answer
    x = 182,733,362.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.