Home / 107,691,367.84-161,540,337.78-42,109,886.32

Finding the Fourth Proportional to 107,691,367.84, 161,540,337.78 and 42,109,886.32

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Solution

The fourth proportional to 107,691,367.84, 161,540,337.78 and 42,109,886.32 is: 63,166,114.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,691,367.84 : 161,540,337.78 = 42,109,886.32 : x
  2. Step 2: Convert to fraction form
    107,691,367.84/161,540,337.78 = 42,109,886.32/x
  3. Step 3: Cross multiply
    107,691,367.84x = 161,540,337.78 × 42,109,886.32
  4. Step 4: Simplify right side
    107,691,367.84x = 6,802,445,260,010,201
  5. Step 5: Solve for x
    x = 6,802,445,260,010,201/107,691,367.84
  6. Step 6: Final answer
    x = 63,166,114.39

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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.