Home / 177,147,187.80-265,720,781.70-109,028,261.40

Finding the Fourth Proportional to 177,147,187.80, 265,720,781.70 and 109,028,261.40

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Solution

The fourth proportional to 177,147,187.80, 265,720,781.70 and 109,028,261.40 is: 163,542,392.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,147,187.80 : 265,720,781.70 = 109,028,261.40 : x
  2. Step 2: Convert to fraction form
    177,147,187.80/265,720,781.70 = 109,028,261.40/x
  3. Step 3: Cross multiply
    177,147,187.80x = 265,720,781.70 × 109,028,261.40
  4. Step 4: Simplify right side
    177,147,187.80x = 28,971,074,846,599,936
  5. Step 5: Solve for x
    x = 28,971,074,846,599,936/177,147,187.80
  6. Step 6: Final answer
    x = 163,542,392.10

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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.