Home / 228,384,036-315,170,285.58-123,962,127.84

Finding the Fourth Proportional to 228,384,036, 315,170,285.58 and 123,962,127.84

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Solution

The fourth proportional to 228,384,036, 315,170,285.58 and 123,962,127.84 is: 171,067,907.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,384,036 : 315,170,285.58 = 123,962,127.84 : x
  2. Step 2: Convert to fraction form
    228,384,036/315,170,285.58 = 123,962,127.84/x
  3. Step 3: Cross multiply
    228,384,036x = 315,170,285.58 × 123,962,127.84
  4. Step 4: Simplify right side
    228,384,036x = 39,069,179,232,437,264
  5. Step 5: Solve for x
    x = 39,069,179,232,437,264/228,384,036
  6. Step 6: Final answer
    x = 171,067,907.88

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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.