Home / 219,219,097.12-302,522,248.80-131,113,093.12

Finding the Fourth Proportional to 219,219,097.12, 302,522,248.80 and 131,113,093.12

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Solution

The fourth proportional to 219,219,097.12, 302,522,248.80 and 131,113,093.12 is: 180,936,005.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,219,097.12 : 302,522,248.80 = 131,113,093.12 : x
  2. Step 2: Convert to fraction form
    219,219,097.12/302,522,248.80 = 131,113,093.12/x
  3. Step 3: Cross multiply
    219,219,097.12x = 302,522,248.80 × 131,113,093.12
  4. Step 4: Simplify right side
    219,219,097.12x = 39,664,627,777,786,208
  5. Step 5: Solve for x
    x = 39,664,627,777,786,208/219,219,097.12
  6. Step 6: Final answer
    x = 180,936,005.57

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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.