Home / 133,021,994.40-199,599,346.80-75,558,391.20

Finding the Fourth Proportional to 133,021,994.40, 199,599,346.80 and 75,558,391.20

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Solution

The fourth proportional to 133,021,994.40, 199,599,346.80 and 75,558,391.20 is: 113,375,277.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,021,994.40 : 199,599,346.80 = 75,558,391.20 : x
  2. Step 2: Convert to fraction form
    133,021,994.40/199,599,346.80 = 75,558,391.20/x
  3. Step 3: Cross multiply
    133,021,994.40x = 199,599,346.80 × 75,558,391.20
  4. Step 4: Simplify right side
    133,021,994.40x = 15,081,405,528,778,870
  5. Step 5: Solve for x
    x = 15,081,405,528,778,870/133,021,994.40
  6. Step 6: Final answer
    x = 113,375,277.50

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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.