Home / 177,147,354.40-265,721,031.60-108,768,320.80

Finding the Fourth Proportional to 177,147,354.40, 265,721,031.60 and 108,768,320.80

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Solution

The fourth proportional to 177,147,354.40, 265,721,031.60 and 108,768,320.80 is: 163,152,481.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,147,354.40 : 265,721,031.60 = 108,768,320.80 : x
  2. Step 2: Convert to fraction form
    177,147,354.40/265,721,031.60 = 108,768,320.80/x
  3. Step 3: Cross multiply
    177,147,354.40x = 265,721,031.60 × 108,768,320.80
  4. Step 4: Simplify right side
    177,147,354.40x = 28,902,030,408,375,736
  5. Step 5: Solve for x
    x = 28,902,030,408,375,736/177,147,354.40
  6. Step 6: Final answer
    x = 163,152,481.20

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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.