Home / 222,168,986,648.60-306,587,986,675.42-130,723,460,500.86

Finding the Fourth Proportional to 222,168,986,648.60, 306,587,986,675.42 and 130,723,460,500.86

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Solution

The fourth proportional to 222,168,986,648.60, 306,587,986,675.42 and 130,723,460,500.86 is: 180,395,307,062.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,168,986,648.60 : 306,587,986,675.42 = 130,723,460,500.86 : x
  2. Step 2: Convert to fraction form
    222,168,986,648.60/306,587,986,675.42 = 130,723,460,500.86/x
  3. Step 3: Cross multiply
    222,168,986,648.60x = 306,587,986,675.42 × 130,723,460,500.86
  4. Step 4: Simplify right side
    222,168,986,648.60x = 40,078,242,566,202,458,112,000
  5. Step 5: Solve for x
    x = 40,078,242,566,202,458,112,000/222,168,986,648.60
  6. Step 6: Final answer
    x = 180,395,307,062.34

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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.