Home / 133,021,605.90-199,598,764.05-75,558,002.70

Finding the Fourth Proportional to 133,021,605.90, 199,598,764.05 and 75,558,002.70

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Solution

The fourth proportional to 133,021,605.90, 199,598,764.05 and 75,558,002.70 is: 113,374,694.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,021,605.90 : 199,598,764.05 = 75,558,002.70 : x
  2. Step 2: Convert to fraction form
    133,021,605.90/199,598,764.05 = 75,558,002.70/x
  3. Step 3: Cross multiply
    133,021,605.90x = 199,598,764.05 × 75,558,002.70
  4. Step 4: Simplify right side
    133,021,605.90x = 15,081,283,953,006,564
  5. Step 5: Solve for x
    x = 15,081,283,953,006,564/133,021,605.90
  6. Step 6: Final answer
    x = 113,374,694.67

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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.