Home / 242,919,081.18-335,219,994.27-138,530,749.95

Finding the Fourth Proportional to 242,919,081.18, 335,219,994.27 and 138,530,749.95

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Solution

The fourth proportional to 242,919,081.18, 335,219,994.27 and 138,530,749.95 is: 191,167,680.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,919,081.18 : 335,219,994.27 = 138,530,749.95 : x
  2. Step 2: Convert to fraction form
    242,919,081.18/335,219,994.27 = 138,530,749.95/x
  3. Step 3: Cross multiply
    242,919,081.18x = 335,219,994.27 × 138,530,749.95
  4. Step 4: Simplify right side
    242,919,081.18x = 46,438,277,204,457,800
  5. Step 5: Solve for x
    x = 46,438,277,204,457,800/242,919,081.18
  6. Step 6: Final answer
    x = 191,167,680.11

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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.