Home / 205,632,751.12-308,449,848.39-52,278,823.96

Finding the Fourth Proportional to 205,632,751.12, 308,449,848.39 and 52,278,823.96

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Solution

The fourth proportional to 205,632,751.12, 308,449,848.39 and 52,278,823.96 is: 78,418,419.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,632,751.12 : 308,449,848.39 = 52,278,823.96 : x
  2. Step 2: Convert to fraction form
    205,632,751.12/308,449,848.39 = 52,278,823.96/x
  3. Step 3: Cross multiply
    205,632,751.12x = 308,449,848.39 × 52,278,823.96
  4. Step 4: Simplify right side
    205,632,751.12x = 16,125,395,322,927,248
  5. Step 5: Solve for x
    x = 16,125,395,322,927,248/205,632,751.12
  6. Step 6: Final answer
    x = 78,418,419.42

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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.