Home / 261,199,285.63-360,444,207.20-142,122,367.97

Finding the Fourth Proportional to 261,199,285.63, 360,444,207.20 and 142,122,367.97

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Solution

The fourth proportional to 261,199,285.63, 360,444,207.20 and 142,122,367.97 is: 196,122,987.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,199,285.63 : 360,444,207.20 = 142,122,367.97 : x
  2. Step 2: Convert to fraction form
    261,199,285.63/360,444,207.20 = 142,122,367.97/x
  3. Step 3: Cross multiply
    261,199,285.63x = 360,444,207.20 × 142,122,367.97
  4. Step 4: Simplify right side
    261,199,285.63x = 51,227,184,248,333,320
  5. Step 5: Solve for x
    x = 51,227,184,248,333,320/261,199,285.63
  6. Step 6: Final answer
    x = 196,122,987.57

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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.