Home / 162,154,787.88-243,620,215.95-103,976,450.40

Finding the Fourth Proportional to 162,154,787.88, 243,620,215.95 and 103,976,450.40

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Solution

The fourth proportional to 162,154,787.88, 243,620,215.95 and 103,976,450.40 is: 156,213,489.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,154,787.88 : 243,620,215.95 = 103,976,450.40 : x
  2. Step 2: Convert to fraction form
    162,154,787.88/243,620,215.95 = 103,976,450.40/x
  3. Step 3: Cross multiply
    162,154,787.88x = 243,620,215.95 × 103,976,450.40
  4. Step 4: Simplify right side
    162,154,787.88x = 25,330,765,300,162,464
  5. Step 5: Solve for x
    x = 25,330,765,300,162,464/162,154,787.88
  6. Step 6: Final answer
    x = 156,213,489.79

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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.