Home / 79,043,446.75-109,079,956.52-42,867,574.75

Finding the Fourth Proportional to 79,043,446.75, 109,079,956.52 and 42,867,574.75

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Solution

The fourth proportional to 79,043,446.75, 109,079,956.52 and 42,867,574.75 is: 59,157,253.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,043,446.75 : 109,079,956.52 = 42,867,574.75 : x
  2. Step 2: Convert to fraction form
    79,043,446.75/109,079,956.52 = 42,867,574.75/x
  3. Step 3: Cross multiply
    79,043,446.75x = 109,079,956.52 × 42,867,574.75
  4. Step 4: Simplify right side
    79,043,446.75x = 4,675,993,189,847,850
  5. Step 5: Solve for x
    x = 4,675,993,189,847,850/79,043,446.75
  6. Step 6: Final answer
    x = 59,157,253.16

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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.