Home / 261,199,292.46-360,444,216.56-142,122,374.78

Finding the Fourth Proportional to 261,199,292.46, 360,444,216.56 and 142,122,374.78

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Solution

The fourth proportional to 261,199,292.46, 360,444,216.56 and 142,122,374.78 is: 196,122,996.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,199,292.46 : 360,444,216.56 = 142,122,374.78 : x
  2. Step 2: Convert to fraction form
    261,199,292.46/360,444,216.56 = 142,122,374.78/x
  3. Step 3: Cross multiply
    261,199,292.46x = 360,444,216.56 × 142,122,374.78
  4. Step 4: Simplify right side
    261,199,292.46x = 51,227,188,033,223,800
  5. Step 5: Solve for x
    x = 51,227,188,033,223,800/261,199,292.46
  6. Step 6: Final answer
    x = 196,122,996.93

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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.