Home / 148,290,561.60-222,435,842.40-138,212,865.60

Finding the Fourth Proportional to 148,290,561.60, 222,435,842.40 and 138,212,865.60

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Solution

The fourth proportional to 148,290,561.60, 222,435,842.40 and 138,212,865.60 is: 207,319,298.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,290,561.60 : 222,435,842.40 = 138,212,865.60 : x
  2. Step 2: Convert to fraction form
    148,290,561.60/222,435,842.40 = 138,212,865.60/x
  3. Step 3: Cross multiply
    148,290,561.60x = 222,435,842.40 × 138,212,865.60
  4. Step 4: Simplify right side
    148,290,561.60x = 30,743,495,190,253,980
  5. Step 5: Solve for x
    x = 30,743,495,190,253,980/148,290,561.60
  6. Step 6: Final answer
    x = 207,319,298.40

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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.