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Finding the Fourth Proportional to 177,147,271.20, 265,720,906.80 and 177,147,271.20

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Solution

The fourth proportional to 177,147,271.20, 265,720,906.80 and 177,147,271.20 is: 265,720,906.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,147,271.20 : 265,720,906.80 = 177,147,271.20 : x
  2. Step 2: Convert to fraction form
    177,147,271.20/265,720,906.80 = 177,147,271.20/x
  3. Step 3: Cross multiply
    177,147,271.20x = 265,720,906.80 × 177,147,271.20
  4. Step 4: Simplify right side
    177,147,271.20x = 47,071,733,540,409,520
  5. Step 5: Solve for x
    x = 47,071,733,540,409,520/177,147,271.20
  6. Step 6: Final answer
    x = 265,720,906.80

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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.