Home / 217,823,517.60-326,735,276.40-216,548,059.20

Finding the Fourth Proportional to 217,823,517.60, 326,735,276.40 and 216,548,059.20

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Solution

The fourth proportional to 217,823,517.60, 326,735,276.40 and 216,548,059.20 is: 324,822,088.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,823,517.60 : 326,735,276.40 = 216,548,059.20 : x
  2. Step 2: Convert to fraction form
    217,823,517.60/326,735,276.40 = 216,548,059.20/x
  3. Step 3: Cross multiply
    217,823,517.60x = 326,735,276.40 × 216,548,059.20
  4. Step 4: Simplify right side
    217,823,517.60x = 70,753,889,976,595,552
  5. Step 5: Solve for x
    x = 70,753,889,976,595,552/217,823,517.60
  6. Step 6: Final answer
    x = 324,822,088.80

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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.