Home / 117,112,419.06-161,615,559.06-64,902,343.02

Finding the Fourth Proportional to 117,112,419.06, 161,615,559.06 and 64,902,343.02

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Solution

The fourth proportional to 117,112,419.06, 161,615,559.06 and 64,902,343.02 is: 89,565,466.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,112,419.06 : 161,615,559.06 = 64,902,343.02 : x
  2. Step 2: Convert to fraction form
    117,112,419.06/161,615,559.06 = 64,902,343.02/x
  3. Step 3: Cross multiply
    117,112,419.06x = 161,615,559.06 × 64,902,343.02
  4. Step 4: Simplify right side
    117,112,419.06x = 10,489,228,451,481,190
  5. Step 5: Solve for x
    x = 10,489,228,451,481,190/117,112,419.06
  6. Step 6: Final answer
    x = 89,565,466.55

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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.