Home / 177,147,189.20-265,720,783.80-91,053,747.20

Finding the Fourth Proportional to 177,147,189.20, 265,720,783.80 and 91,053,747.20

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Solution

The fourth proportional to 177,147,189.20, 265,720,783.80 and 91,053,747.20 is: 136,580,620.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,147,189.20 : 265,720,783.80 = 91,053,747.20 : x
  2. Step 2: Convert to fraction form
    177,147,189.20/265,720,783.80 = 91,053,747.20/x
  3. Step 3: Cross multiply
    177,147,189.20x = 265,720,783.80 × 91,053,747.20
  4. Step 4: Simplify right side
    177,147,189.20x = 24,194,873,073,911,056
  5. Step 5: Solve for x
    x = 24,194,873,073,911,056/177,147,189.20
  6. Step 6: Final answer
    x = 136,580,620.80

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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.