Home / 146,697,630.40-220,046,445.60-131,392,129.60

Finding the Fourth Proportional to 146,697,630.40, 220,046,445.60 and 131,392,129.60

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Solution

The fourth proportional to 146,697,630.40, 220,046,445.60 and 131,392,129.60 is: 197,088,194.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,697,630.40 : 220,046,445.60 = 131,392,129.60 : x
  2. Step 2: Convert to fraction form
    146,697,630.40/220,046,445.60 = 131,392,129.60/x
  3. Step 3: Cross multiply
    146,697,630.40x = 220,046,445.60 × 131,392,129.60
  4. Step 4: Simplify right side
    146,697,630.40x = 28,912,371,098,294,548
  5. Step 5: Solve for x
    x = 28,912,371,098,294,548/146,697,630.40
  6. Step 6: Final answer
    x = 197,088,194.40

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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.