Home / 148,608,503.70-222,912,755.55-90,495,430.35

Finding the Fourth Proportional to 148,608,503.70, 222,912,755.55 and 90,495,430.35

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Solution

The fourth proportional to 148,608,503.70, 222,912,755.55 and 90,495,430.35 is: 135,743,145.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,608,503.70 : 222,912,755.55 = 90,495,430.35 : x
  2. Step 2: Convert to fraction form
    148,608,503.70/222,912,755.55 = 90,495,430.35/x
  3. Step 3: Cross multiply
    148,608,503.70x = 222,912,755.55 × 90,495,430.35
  4. Step 4: Simplify right side
    148,608,503.70x = 20,172,585,744,001,600
  5. Step 5: Solve for x
    x = 20,172,585,744,001,600/148,608,503.70
  6. Step 6: Final answer
    x = 135,743,145.53

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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.