Home / 281,567,168.22-388,602,732.42-156,147,257.46

Finding the Fourth Proportional to 281,567,168.22, 388,602,732.42 and 156,147,257.46

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Solution

The fourth proportional to 281,567,168.22, 388,602,732.42 and 156,147,257.46 is: 215,505,420.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,567,168.22 : 388,602,732.42 = 156,147,257.46 : x
  2. Step 2: Convert to fraction form
    281,567,168.22/388,602,732.42 = 156,147,257.46/x
  3. Step 3: Cross multiply
    281,567,168.22x = 388,602,732.42 × 156,147,257.46
  4. Step 4: Simplify right side
    281,567,168.22x = 60,679,250,908,845,232
  5. Step 5: Solve for x
    x = 60,679,250,908,845,232/281,567,168.22
  6. Step 6: Final answer
    x = 215,505,420.23

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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.