Home / 177,170,711.80-265,756,067.70-81,619,223.80

Finding the Fourth Proportional to 177,170,711.80, 265,756,067.70 and 81,619,223.80

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Solution

The fourth proportional to 177,170,711.80, 265,756,067.70 and 81,619,223.80 is: 122,428,835.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,170,711.80 : 265,756,067.70 = 81,619,223.80 : x
  2. Step 2: Convert to fraction form
    177,170,711.80/265,756,067.70 = 81,619,223.80/x
  3. Step 3: Cross multiply
    177,170,711.80x = 265,756,067.70 × 81,619,223.80
  4. Step 4: Simplify right side
    177,170,711.80x = 21,690,803,965,814,248
  5. Step 5: Solve for x
    x = 21,690,803,965,814,248/177,170,711.80
  6. Step 6: Final answer
    x = 122,428,835.70

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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.