Home / 210,817,074.33-290,886,219.09-132,455,227.73

Finding the Fourth Proportional to 210,817,074.33, 290,886,219.09 and 132,455,227.73

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Solution

The fourth proportional to 210,817,074.33, 290,886,219.09 and 132,455,227.73 is: 182,762,238.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,817,074.33 : 290,886,219.09 = 132,455,227.73 : x
  2. Step 2: Convert to fraction form
    210,817,074.33/290,886,219.09 = 132,455,227.73/x
  3. Step 3: Cross multiply
    210,817,074.33x = 290,886,219.09 × 132,455,227.73
  4. Step 4: Simplify right side
    210,817,074.33x = 38,529,400,391,630,184
  5. Step 5: Solve for x
    x = 38,529,400,391,630,184/210,817,074.33
  6. Step 6: Final answer
    x = 182,762,238.37

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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.