Home / 87,219,787.38-120,361,794.93-50,553,770.10

Finding the Fourth Proportional to 87,219,787.38, 120,361,794.93 and 50,553,770.10

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Solution

The fourth proportional to 87,219,787.38, 120,361,794.93 and 50,553,770.10 is: 69,763,326.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,219,787.38 : 120,361,794.93 = 50,553,770.10 : x
  2. Step 2: Convert to fraction form
    87,219,787.38/120,361,794.93 = 50,553,770.10/x
  3. Step 3: Cross multiply
    87,219,787.38x = 120,361,794.93 × 50,553,770.10
  4. Step 4: Simplify right side
    87,219,787.38x = 6,084,742,509,714,566
  5. Step 5: Solve for x
    x = 6,084,742,509,714,566/87,219,787.38
  6. Step 6: Final answer
    x = 69,763,326.56

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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.