Home / 80,068,609.06-120,113,654.52-28,241,028.38

Finding the Fourth Proportional to 80,068,609.06, 120,113,654.52 and 28,241,028.38

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Solution

The fourth proportional to 80,068,609.06, 120,113,654.52 and 28,241,028.38 is: 42,365,331.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,068,609.06 : 120,113,654.52 = 28,241,028.38 : x
  2. Step 2: Convert to fraction form
    80,068,609.06/120,113,654.52 = 28,241,028.38/x
  3. Step 3: Cross multiply
    80,068,609.06x = 120,113,654.52 × 28,241,028.38
  4. Step 4: Simplify right side
    80,068,609.06x = 3,392,133,126,124,835
  5. Step 5: Solve for x
    x = 3,392,133,126,124,835/80,068,609.06
  6. Step 6: Final answer
    x = 42,365,331.01

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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.