Home / 120,154,734.64-165,816,794.08-67,951,576.88

Finding the Fourth Proportional to 120,154,734.64, 165,816,794.08 and 67,951,576.88

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Solution

The fourth proportional to 120,154,734.64, 165,816,794.08 and 67,951,576.88 is: 93,775,019.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,154,734.64 : 165,816,794.08 = 67,951,576.88 : x
  2. Step 2: Convert to fraction form
    120,154,734.64/165,816,794.08 = 67,951,576.88/x
  3. Step 3: Cross multiply
    120,154,734.64x = 165,816,794.08 × 67,951,576.88
  4. Step 4: Simplify right side
    120,154,734.64x = 11,267,512,630,922,248
  5. Step 5: Solve for x
    x = 11,267,512,630,922,248/120,154,734.64
  6. Step 6: Final answer
    x = 93,775,019.89

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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.