Home / 203,760,233.85-305,672,509.71-87,176,345.36

Finding the Fourth Proportional to 203,760,233.85, 305,672,509.71 and 87,176,345.36

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Solution

The fourth proportional to 203,760,233.85, 305,672,509.71 and 87,176,345.36 is: 130,778,276.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,760,233.85 : 305,672,509.71 = 87,176,345.36 : x
  2. Step 2: Convert to fraction form
    203,760,233.85/305,672,509.71 = 87,176,345.36/x
  3. Step 3: Cross multiply
    203,760,233.85x = 305,672,509.71 × 87,176,345.36
  4. Step 4: Simplify right side
    203,760,233.85x = 26,647,412,272,008,552
  5. Step 5: Solve for x
    x = 26,647,412,272,008,552/203,760,233.85
  6. Step 6: Final answer
    x = 130,778,276.84

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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.