Home / 138,229,342.92-207,374,941.28-51,968,497.01

Finding the Fourth Proportional to 138,229,342.92, 207,374,941.28 and 51,968,497.01

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Solution

The fourth proportional to 138,229,342.92, 207,374,941.28 and 51,968,497.01 is: 77,964,372.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,229,342.92 : 207,374,941.28 = 51,968,497.01 : x
  2. Step 2: Convert to fraction form
    138,229,342.92/207,374,941.28 = 51,968,497.01/x
  3. Step 3: Cross multiply
    138,229,342.92x = 207,374,941.28 × 51,968,497.01
  4. Step 4: Simplify right side
    138,229,342.92x = 10,776,964,014,951,652
  5. Step 5: Solve for x
    x = 10,776,964,014,951,652/138,229,342.92
  6. Step 6: Final answer
    x = 77,964,372.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.