Home / 167,762,632.72-231,393,176.58-111,979,928.20

Finding the Fourth Proportional to 167,762,632.72, 231,393,176.58 and 111,979,928.20

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Solution

The fourth proportional to 167,762,632.72, 231,393,176.58 and 111,979,928.20 is: 154,452,698.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,762,632.72 : 231,393,176.58 = 111,979,928.20 : x
  2. Step 2: Convert to fraction form
    167,762,632.72/231,393,176.58 = 111,979,928.20/x
  3. Step 3: Cross multiply
    167,762,632.72x = 231,393,176.58 × 111,979,928.20
  4. Step 4: Simplify right side
    167,762,632.72x = 25,911,391,299,398,324
  5. Step 5: Solve for x
    x = 25,911,391,299,398,324/167,762,632.72
  6. Step 6: Final answer
    x = 154,452,698.31

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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.