Home / 72,311,452.34-108,467,143.95-18,458,747.06

Finding the Fourth Proportional to 72,311,452.34, 108,467,143.95 and 18,458,747.06

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Solution

The fourth proportional to 72,311,452.34, 108,467,143.95 and 18,458,747.06 is: 27,688,111.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,311,452.34 : 108,467,143.95 = 18,458,747.06 : x
  2. Step 2: Convert to fraction form
    72,311,452.34/108,467,143.95 = 18,458,747.06/x
  3. Step 3: Cross multiply
    72,311,452.34x = 108,467,143.95 × 18,458,747.06
  4. Step 4: Simplify right side
    72,311,452.34x = 2,002,167,574,493,659.25
  5. Step 5: Solve for x
    x = 2,002,167,574,493,659.25/72,311,452.34
  6. Step 6: Final answer
    x = 27,688,111.77

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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.