Home / 263,285,417.70-394,928,126.55-134,145,254.70

Finding the Fourth Proportional to 263,285,417.70, 394,928,126.55 and 134,145,254.70

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Solution

The fourth proportional to 263,285,417.70, 394,928,126.55 and 134,145,254.70 is: 201,217,882.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,285,417.70 : 394,928,126.55 = 134,145,254.70 : x
  2. Step 2: Convert to fraction form
    263,285,417.70/394,928,126.55 = 134,145,254.70/x
  3. Step 3: Cross multiply
    263,285,417.70x = 394,928,126.55 × 134,145,254.70
  4. Step 4: Simplify right side
    263,285,417.70x = 52,977,734,124,243,584
  5. Step 5: Solve for x
    x = 52,977,734,124,243,584/263,285,417.70
  6. Step 6: Final answer
    x = 201,217,882.05

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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.