Home / 177,294,799.20-265,942,198.80-81,556,687.20

Finding the Fourth Proportional to 177,294,799.20, 265,942,198.80 and 81,556,687.20

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Solution

The fourth proportional to 177,294,799.20, 265,942,198.80 and 81,556,687.20 is: 122,335,030.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,294,799.20 : 265,942,198.80 = 81,556,687.20 : x
  2. Step 2: Convert to fraction form
    177,294,799.20/265,942,198.80 = 81,556,687.20/x
  3. Step 3: Cross multiply
    177,294,799.20x = 265,942,198.80 × 81,556,687.20
  4. Step 4: Simplify right side
    177,294,799.20x = 21,689,364,720,811,816
  5. Step 5: Solve for x
    x = 21,689,364,720,811,816/177,294,799.20
  6. Step 6: Final answer
    x = 122,335,030.80

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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.