Home / 210,410,247.91-290,375,109.57-117,590,753.02

Finding the Fourth Proportional to 210,410,247.91, 290,375,109.57 and 117,590,753.02

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Solution

The fourth proportional to 210,410,247.91, 290,375,109.57 and 117,590,753.02 is: 162,280,250.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,410,247.91 : 290,375,109.57 = 117,590,753.02 : x
  2. Step 2: Convert to fraction form
    210,410,247.91/290,375,109.57 = 117,590,753.02/x
  3. Step 3: Cross multiply
    210,410,247.91x = 290,375,109.57 × 117,590,753.02
  4. Step 4: Simplify right side
    210,410,247.91x = 34,145,427,792,601,308
  5. Step 5: Solve for x
    x = 34,145,427,792,601,308/210,410,247.91
  6. Step 6: Final answer
    x = 162,280,250.76

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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.