Home / 148,297,261.20-222,445,891.80-142,250,643.60

Finding the Fourth Proportional to 148,297,261.20, 222,445,891.80 and 142,250,643.60

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Solution

The fourth proportional to 148,297,261.20, 222,445,891.80 and 142,250,643.60 is: 213,375,965.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,297,261.20 : 222,445,891.80 = 142,250,643.60 : x
  2. Step 2: Convert to fraction form
    148,297,261.20/222,445,891.80 = 142,250,643.60/x
  3. Step 3: Cross multiply
    148,297,261.20x = 222,445,891.80 × 142,250,643.60
  4. Step 4: Simplify right side
    148,297,261.20x = 31,643,071,274,725,964
  5. Step 5: Solve for x
    x = 31,643,071,274,725,964/148,297,261.20
  6. Step 6: Final answer
    x = 213,375,965.40

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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.