Home / 218,652,765.57-301,744,401.34-130,554,461.79

Finding the Fourth Proportional to 218,652,765.57, 301,744,401.34 and 130,554,461.79

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Solution

The fourth proportional to 218,652,765.57, 301,744,401.34 and 130,554,461.79 is: 180,167,297.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,652,765.57 : 301,744,401.34 = 130,554,461.79 : x
  2. Step 2: Convert to fraction form
    218,652,765.57/301,744,401.34 = 130,554,461.79/x
  3. Step 3: Cross multiply
    218,652,765.57x = 301,744,401.34 × 130,554,461.79
  4. Step 4: Simplify right side
    218,652,765.57x = 39,394,077,915,089,456
  5. Step 5: Solve for x
    x = 39,394,077,915,089,456/218,652,765.57
  6. Step 6: Final answer
    x = 180,167,297.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.