Home / 107,691,351.86-161,540,313.76-42,109,870.34

Finding the Fourth Proportional to 107,691,351.86, 161,540,313.76 and 42,109,870.34

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Solution

The fourth proportional to 107,691,351.86, 161,540,313.76 and 42,109,870.34 is: 63,166,090.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,691,351.86 : 161,540,313.76 = 42,109,870.34 : x
  2. Step 2: Convert to fraction form
    107,691,351.86/161,540,313.76 = 42,109,870.34/x
  3. Step 3: Cross multiply
    107,691,351.86x = 161,540,313.76 × 42,109,870.34
  4. Step 4: Simplify right side
    107,691,351.86x = 6,802,441,667,573,006
  5. Step 5: Solve for x
    x = 6,802,441,667,573,006/107,691,351.86
  6. Step 6: Final answer
    x = 63,166,090.40

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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.