Home / 155,662,529.50-214,816,844.21-92,944,107.55

Finding the Fourth Proportional to 155,662,529.50, 214,816,844.21 and 92,944,107.55

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Solution

The fourth proportional to 155,662,529.50, 214,816,844.21 and 92,944,107.55 is: 128,264,393.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,662,529.50 : 214,816,844.21 = 92,944,107.55 : x
  2. Step 2: Convert to fraction form
    155,662,529.50/214,816,844.21 = 92,944,107.55/x
  3. Step 3: Cross multiply
    155,662,529.50x = 214,816,844.21 × 92,944,107.55
  4. Step 4: Simplify right side
    155,662,529.50x = 19,965,959,870,267,032
  5. Step 5: Solve for x
    x = 19,965,959,870,267,032/155,662,529.50
  6. Step 6: Final answer
    x = 128,264,393.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.