Home / 177,161,480.80-265,742,221.20-81,609,992.80

Finding the Fourth Proportional to 177,161,480.80, 265,742,221.20 and 81,609,992.80

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Solution

The fourth proportional to 177,161,480.80, 265,742,221.20 and 81,609,992.80 is: 122,414,989.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,161,480.80 : 265,742,221.20 = 81,609,992.80 : x
  2. Step 2: Convert to fraction form
    177,161,480.80/265,742,221.20 = 81,609,992.80/x
  3. Step 3: Cross multiply
    177,161,480.80x = 265,742,221.20 × 81,609,992.80
  4. Step 4: Simplify right side
    177,161,480.80x = 21,687,220,758,788,004
  5. Step 5: Solve for x
    x = 21,687,220,758,788,004/177,161,480.80
  6. Step 6: Final answer
    x = 122,414,989.20

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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.