Home / 177,294,803.70-265,942,205.55-81,556,691.70

Finding the Fourth Proportional to 177,294,803.70, 265,942,205.55 and 81,556,691.70

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Solution

The fourth proportional to 177,294,803.70, 265,942,205.55 and 81,556,691.70 is: 122,335,037.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,294,803.70 : 265,942,205.55 = 81,556,691.70 : x
  2. Step 2: Convert to fraction form
    177,294,803.70/265,942,205.55 = 81,556,691.70/x
  3. Step 3: Cross multiply
    177,294,803.70x = 265,942,205.55 × 81,556,691.70
  4. Step 4: Simplify right side
    177,294,803.70x = 21,689,366,468,059,380
  5. Step 5: Solve for x
    x = 21,689,366,468,059,380/177,294,803.70
  6. Step 6: Final answer
    x = 122,335,037.55

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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.