Home / 120,154,621.46-165,816,638.04-67,951,463.63

Finding the Fourth Proportional to 120,154,621.46, 165,816,638.04 and 67,951,463.63

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Solution

The fourth proportional to 120,154,621.46, 165,816,638.04 and 67,951,463.63 is: 93,774,863.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,154,621.46 : 165,816,638.04 = 67,951,463.63 : x
  2. Step 2: Convert to fraction form
    120,154,621.46/165,816,638.04 = 67,951,463.63/x
  3. Step 3: Cross multiply
    120,154,621.46x = 165,816,638.04 × 67,951,463.63
  4. Step 4: Simplify right side
    120,154,621.46x = 11,267,483,248,067,782
  5. Step 5: Solve for x
    x = 11,267,483,248,067,782/120,154,621.46
  6. Step 6: Final answer
    x = 93,774,863.69

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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.