Home / 159,727,520.64-220,423,994.88-86,388,662.64

Finding the Fourth Proportional to 159,727,520.64, 220,423,994.88 and 86,388,662.64

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Solution

The fourth proportional to 159,727,520.64, 220,423,994.88 and 86,388,662.64 is: 119,216,363.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,727,520.64 : 220,423,994.88 = 86,388,662.64 : x
  2. Step 2: Convert to fraction form
    159,727,520.64/220,423,994.88 = 86,388,662.64/x
  3. Step 3: Cross multiply
    159,727,520.64x = 220,423,994.88 × 86,388,662.64
  4. Step 4: Simplify right side
    159,727,520.64x = 19,042,134,131,449,408
  5. Step 5: Solve for x
    x = 19,042,134,131,449,408/159,727,520.64
  6. Step 6: Final answer
    x = 119,216,363.31

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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.