Home / 236,390,188.53-326,305,510.38-142,308,708.39

Finding the Fourth Proportional to 236,390,188.53, 326,305,510.38 and 142,308,708.39

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Solution

The fourth proportional to 236,390,188.53, 326,305,510.38 and 142,308,708.39 is: 196,438,422.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,390,188.53 : 326,305,510.38 = 142,308,708.39 : x
  2. Step 2: Convert to fraction form
    236,390,188.53/326,305,510.38 = 142,308,708.39/x
  3. Step 3: Cross multiply
    236,390,188.53x = 326,305,510.38 × 142,308,708.39
  4. Step 4: Simplify right side
    236,390,188.53x = 46,436,115,722,717,536
  5. Step 5: Solve for x
    x = 46,436,115,722,717,536/236,390,188.53
  6. Step 6: Final answer
    x = 196,438,422.47

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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.