Home / 133,021,610.40-199,598,770.80-75,558,007.20

Finding the Fourth Proportional to 133,021,610.40, 199,598,770.80 and 75,558,007.20

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Solution

The fourth proportional to 133,021,610.40, 199,598,770.80 and 75,558,007.20 is: 113,374,701.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,021,610.40 : 199,598,770.80 = 75,558,007.20 : x
  2. Step 2: Convert to fraction form
    133,021,610.40/199,598,770.80 = 75,558,007.20/x
  3. Step 3: Cross multiply
    133,021,610.40x = 199,598,770.80 × 75,558,007.20
  4. Step 4: Simplify right side
    133,021,610.40x = 15,081,285,361,217,552
  5. Step 5: Solve for x
    x = 15,081,285,361,217,552/133,021,610.40
  6. Step 6: Final answer
    x = 113,374,701.42

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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.