Home / 177,161,334.80-265,742,002.20-81,609,846.80

Finding the Fourth Proportional to 177,161,334.80, 265,742,002.20 and 81,609,846.80

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Solution

The fourth proportional to 177,161,334.80, 265,742,002.20 and 81,609,846.80 is: 122,414,770.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,161,334.80 : 265,742,002.20 = 81,609,846.80 : x
  2. Step 2: Convert to fraction form
    177,161,334.80/265,742,002.20 = 81,609,846.80/x
  3. Step 3: Cross multiply
    177,161,334.80x = 265,742,002.20 × 81,609,846.80
  4. Step 4: Simplify right side
    177,161,334.80x = 21,687,164,087,867,260
  5. Step 5: Solve for x
    x = 21,687,164,087,867,260/177,161,334.80
  6. Step 6: Final answer
    x = 122,414,770.20

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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.