Home / 150,935,531.20-225,880,749.60-90,394,705.60

Finding the Fourth Proportional to 150,935,531.20, 225,880,749.60 and 90,394,705.60

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Solution

The fourth proportional to 150,935,531.20, 225,880,749.60 and 90,394,705.60 is: 135,279,106.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,935,531.20 : 225,880,749.60 = 90,394,705.60 : x
  2. Step 2: Convert to fraction form
    150,935,531.20/225,880,749.60 = 90,394,705.60/x
  3. Step 3: Cross multiply
    150,935,531.20x = 225,880,749.60 × 90,394,705.60
  4. Step 4: Simplify right side
    150,935,531.20x = 20,418,423,860,799,316
  5. Step 5: Solve for x
    x = 20,418,423,860,799,316/150,935,531.20
  6. Step 6: Final answer
    x = 135,279,106.90

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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.