Home / 381,686,288.46-572,529,345.21-109,057,058.70

Finding the Fourth Proportional to 381,686,288.46, 572,529,345.21 and 109,057,058.70

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Solution

The fourth proportional to 381,686,288.46, 572,529,345.21 and 109,057,058.70 is: 163,585,563.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,686,288.46 : 572,529,345.21 = 109,057,058.70 : x
  2. Step 2: Convert to fraction form
    381,686,288.46/572,529,345.21 = 109,057,058.70/x
  3. Step 3: Cross multiply
    381,686,288.46x = 572,529,345.21 × 109,057,058.70
  4. Step 4: Simplify right side
    381,686,288.46x = 62,438,366,408,039,536
  5. Step 5: Solve for x
    x = 62,438,366,408,039,536/381,686,288.46
  6. Step 6: Final answer
    x = 163,585,563.05

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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.