Home / 82,328,015.70-123,492,023.55-21,743,741.70

Finding the Fourth Proportional to 82,328,015.70, 123,492,023.55 and 21,743,741.70

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Solution

The fourth proportional to 82,328,015.70, 123,492,023.55 and 21,743,741.70 is: 32,615,612.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,328,015.70 : 123,492,023.55 = 21,743,741.70 : x
  2. Step 2: Convert to fraction form
    82,328,015.70/123,492,023.55 = 21,743,741.70/x
  3. Step 3: Cross multiply
    82,328,015.70x = 123,492,023.55 × 21,743,741.70
  4. Step 4: Simplify right side
    82,328,015.70x = 2,685,178,662,081,517
  5. Step 5: Solve for x
    x = 2,685,178,662,081,517/82,328,015.70
  6. Step 6: Final answer
    x = 32,615,612.55

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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.