Home / 168,188,629.30-252,282,943.95-165,921,147.70

Finding the Fourth Proportional to 168,188,629.30, 252,282,943.95 and 165,921,147.70

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Solution

The fourth proportional to 168,188,629.30, 252,282,943.95 and 165,921,147.70 is: 248,881,721.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,188,629.30 : 252,282,943.95 = 165,921,147.70 : x
  2. Step 2: Convert to fraction form
    168,188,629.30/252,282,943.95 = 165,921,147.70/x
  3. Step 3: Cross multiply
    168,188,629.30x = 252,282,943.95 × 165,921,147.70
  4. Step 4: Simplify right side
    168,188,629.30x = 41,859,075,605,318,768
  5. Step 5: Solve for x
    x = 41,859,075,605,318,768/168,188,629.30
  6. Step 6: Final answer
    x = 248,881,721.55

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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.