Home / 177,161,470.30-265,742,205.45-81,609,982.30

Finding the Fourth Proportional to 177,161,470.30, 265,742,205.45 and 81,609,982.30

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Solution

The fourth proportional to 177,161,470.30, 265,742,205.45 and 81,609,982.30 is: 122,414,973.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,161,470.30 : 265,742,205.45 = 81,609,982.30 : x
  2. Step 2: Convert to fraction form
    177,161,470.30/265,742,205.45 = 81,609,982.30/x
  3. Step 3: Cross multiply
    177,161,470.30x = 265,742,205.45 × 81,609,982.30
  4. Step 4: Simplify right side
    177,161,470.30x = 21,687,216,683,137,460
  5. Step 5: Solve for x
    x = 21,687,216,683,137,460/177,161,470.30
  6. Step 6: Final answer
    x = 122,414,973.45

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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.