Home / 163,313,999.20-244,970,998.80-162,180,258.40

Finding the Fourth Proportional to 163,313,999.20, 244,970,998.80 and 162,180,258.40

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Solution

The fourth proportional to 163,313,999.20, 244,970,998.80 and 162,180,258.40 is: 243,270,387.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,313,999.20 : 244,970,998.80 = 162,180,258.40 : x
  2. Step 2: Convert to fraction form
    163,313,999.20/244,970,998.80 = 162,180,258.40/x
  3. Step 3: Cross multiply
    163,313,999.20x = 244,970,998.80 × 162,180,258.40
  4. Step 4: Simplify right side
    163,313,999.20x = 39,729,459,885,890,096
  5. Step 5: Solve for x
    x = 39,729,459,885,890,096/163,313,999.20
  6. Step 6: Final answer
    x = 243,270,387.60

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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.