Home / 239,408,052.17-330,089,590.78-196,872,966.39

Finding the Fourth Proportional to 239,408,052.17, 330,089,590.78 and 196,872,966.39

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Solution

The fourth proportional to 239,408,052.17, 330,089,590.78 and 196,872,966.39 is: 271,443,321.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,408,052.17 : 330,089,590.78 = 196,872,966.39 : x
  2. Step 2: Convert to fraction form
    239,408,052.17/330,089,590.78 = 196,872,966.39/x
  3. Step 3: Cross multiply
    239,408,052.17x = 330,089,590.78 × 196,872,966.39
  4. Step 4: Simplify right side
    239,408,052.17x = 64,985,716,912,110,008
  5. Step 5: Solve for x
    x = 64,985,716,912,110,008/239,408,052.17
  6. Step 6: Final answer
    x = 271,443,321.65

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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.