Home / 133,128,119.70-199,556,366.85-90,001,682.55

Finding the Fourth Proportional to 133,128,119.70, 199,556,366.85 and 90,001,682.55

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Solution

The fourth proportional to 133,128,119.70, 199,556,366.85 and 90,001,682.55 is: 134,910,707.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,128,119.70 : 199,556,366.85 = 90,001,682.55 : x
  2. Step 2: Convert to fraction form
    133,128,119.70/199,556,366.85 = 90,001,682.55/x
  3. Step 3: Cross multiply
    133,128,119.70x = 199,556,366.85 × 90,001,682.55
  4. Step 4: Simplify right side
    133,128,119.70x = 17,960,408,780,065,042
  5. Step 5: Solve for x
    x = 17,960,408,780,065,042/133,128,119.70
  6. Step 6: Final answer
    x = 134,910,707.22

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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.