Home / 50,234,138.79-69,318,373.32-28,203,335.43

Finding the Fourth Proportional to 50,234,138.79, 69,318,373.32 and 28,203,335.43

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Solution

The fourth proportional to 50,234,138.79, 69,318,373.32 and 28,203,335.43 is: 38,917,942.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,234,138.79 : 69,318,373.32 = 28,203,335.43 : x
  2. Step 2: Convert to fraction form
    50,234,138.79/69,318,373.32 = 28,203,335.43/x
  3. Step 3: Cross multiply
    50,234,138.79x = 69,318,373.32 × 28,203,335.43
  4. Step 4: Simplify right side
    50,234,138.79x = 1,955,009,334,205,922.50
  5. Step 5: Solve for x
    x = 1,955,009,334,205,922.50/50,234,138.79
  6. Step 6: Final answer
    x = 38,917,942.68

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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.