Home / 305,552,063.37-421,672,032.59-171,613,582.88

Finding the Fourth Proportional to 305,552,063.37, 421,672,032.59 and 171,613,582.88

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Solution

The fourth proportional to 305,552,063.37, 421,672,032.59 and 171,613,582.88 is: 236,832,464.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,552,063.37 : 421,672,032.59 = 171,613,582.88 : x
  2. Step 2: Convert to fraction form
    305,552,063.37/421,672,032.59 = 171,613,582.88/x
  3. Step 3: Cross multiply
    305,552,063.37x = 421,672,032.59 × 171,613,582.88
  4. Step 4: Simplify right side
    305,552,063.37x = 72,364,648,313,062,016
  5. Step 5: Solve for x
    x = 72,364,648,313,062,016/305,552,063.37
  6. Step 6: Final answer
    x = 236,832,464.87

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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.