Home / 261,179,764.72-391,339,176.99-151,697,604.31

Finding the Fourth Proportional to 261,179,764.72, 391,339,176.99 and 151,697,604.31

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Solution

The fourth proportional to 261,179,764.72, 391,339,176.99 and 151,697,604.31 is: 227,296,382.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,179,764.72 : 391,339,176.99 = 151,697,604.31 : x
  2. Step 2: Convert to fraction form
    261,179,764.72/391,339,176.99 = 151,697,604.31/x
  3. Step 3: Cross multiply
    261,179,764.72x = 391,339,176.99 × 151,697,604.31
  4. Step 4: Simplify right side
    261,179,764.72x = 59,365,215,622,030,080
  5. Step 5: Solve for x
    x = 59,365,215,622,030,080/261,179,764.72
  6. Step 6: Final answer
    x = 227,296,382.19

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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.