Home / 72,311,451.84-108,467,143.20-18,458,746.56

Finding the Fourth Proportional to 72,311,451.84, 108,467,143.20 and 18,458,746.56

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Solution

The fourth proportional to 72,311,451.84, 108,467,143.20 and 18,458,746.56 is: 27,688,111.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,311,451.84 : 108,467,143.20 = 18,458,746.56 : x
  2. Step 2: Convert to fraction form
    72,311,451.84/108,467,143.20 = 18,458,746.56/x
  3. Step 3: Cross multiply
    72,311,451.84x = 108,467,143.20 × 18,458,746.56
  4. Step 4: Simplify right side
    72,311,451.84x = 2,002,167,506,416,027.25
  5. Step 5: Solve for x
    x = 2,002,167,506,416,027.25/72,311,451.84
  6. Step 6: Final answer
    x = 27,688,111.02

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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.