Home / 210,435,034.91-290,410,469.82-116,347,440.87

Finding the Fourth Proportional to 210,435,034.91, 290,410,469.82 and 116,347,440.87

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Solution

The fourth proportional to 210,435,034.91, 290,410,469.82 and 116,347,440.87 is: 160,565,064.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,435,034.91 : 290,410,469.82 = 116,347,440.87 : x
  2. Step 2: Convert to fraction form
    210,435,034.91/290,410,469.82 = 116,347,440.87/x
  3. Step 3: Cross multiply
    210,435,034.91x = 290,410,469.82 × 116,347,440.87
  4. Step 4: Simplify right side
    210,435,034.91x = 33,788,514,965,411,372
  5. Step 5: Solve for x
    x = 33,788,514,965,411,372/210,435,034.91
  6. Step 6: Final answer
    x = 160,565,064.56

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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.