Home / 261,199,288.88-360,444,211.68-142,122,371.22

Finding the Fourth Proportional to 261,199,288.88, 360,444,211.68 and 142,122,371.22

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Solution

The fourth proportional to 261,199,288.88, 360,444,211.68 and 142,122,371.22 is: 196,122,992.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,199,288.88 : 360,444,211.68 = 142,122,371.22 : x
  2. Step 2: Convert to fraction form
    261,199,288.88/360,444,211.68 = 142,122,371.22/x
  3. Step 3: Cross multiply
    261,199,288.88x = 360,444,211.68 × 142,122,371.22
  4. Step 4: Simplify right side
    261,199,288.88x = 51,227,186,056,485,224
  5. Step 5: Solve for x
    x = 51,227,186,056,485,224/261,199,288.88
  6. Step 6: Final answer
    x = 196,122,992.05

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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.