Home / 217,732,801.60-326,599,202.40-163,313,243.20

Finding the Fourth Proportional to 217,732,801.60, 326,599,202.40 and 163,313,243.20

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Solution

The fourth proportional to 217,732,801.60, 326,599,202.40 and 163,313,243.20 is: 244,969,864.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,732,801.60 : 326,599,202.40 = 163,313,243.20 : x
  2. Step 2: Convert to fraction form
    217,732,801.60/326,599,202.40 = 163,313,243.20/x
  3. Step 3: Cross multiply
    217,732,801.60x = 326,599,202.40 × 163,313,243.20
  4. Step 4: Simplify right side
    217,732,801.60x = 53,337,974,970,477,216
  5. Step 5: Solve for x
    x = 53,337,974,970,477,216/217,732,801.60
  6. Step 6: Final answer
    x = 244,969,864.80

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1.5x scale

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.