Home / 276,309,323.16-381,340,303.32-157,260,861.90

Finding the Fourth Proportional to 276,309,323.16, 381,340,303.32 and 157,260,861.90

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Solution

The fourth proportional to 276,309,323.16, 381,340,303.32 and 157,260,861.90 is: 217,039,020.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,309,323.16 : 381,340,303.32 = 157,260,861.90 : x
  2. Step 2: Convert to fraction form
    276,309,323.16/381,340,303.32 = 157,260,861.90/x
  3. Step 3: Cross multiply
    276,309,323.16x = 381,340,303.32 × 157,260,861.90
  4. Step 4: Simplify right side
    276,309,323.16x = 59,969,904,777,310,632
  5. Step 5: Solve for x
    x = 59,969,904,777,310,632/276,309,323.16
  6. Step 6: Final answer
    x = 217,039,020.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.