Home / 252,707,904-379,061,907.84-91,149,822.72

Finding the Fourth Proportional to 252,707,904, 379,061,907.84 and 91,149,822.72

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Solution

The fourth proportional to 252,707,904, 379,061,907.84 and 91,149,822.72 is: 136,724,752.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,707,904 : 379,061,907.84 = 91,149,822.72 : x
  2. Step 2: Convert to fraction form
    252,707,904/379,061,907.84 = 91,149,822.72/x
  3. Step 3: Cross multiply
    252,707,904x = 379,061,907.84 × 91,149,822.72
  4. Step 4: Simplify right side
    252,707,904x = 34,551,425,699,520,976
  5. Step 5: Solve for x
    x = 34,551,425,699,520,976/252,707,904
  6. Step 6: Final answer
    x = 136,724,752.78

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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.