Home / 161,352,005.20-242,028,007.80-40,183,457.20

Finding the Fourth Proportional to 161,352,005.20, 242,028,007.80 and 40,183,457.20

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Solution

The fourth proportional to 161,352,005.20, 242,028,007.80 and 40,183,457.20 is: 60,275,185.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,352,005.20 : 242,028,007.80 = 40,183,457.20 : x
  2. Step 2: Convert to fraction form
    161,352,005.20/242,028,007.80 = 40,183,457.20/x
  3. Step 3: Cross multiply
    161,352,005.20x = 242,028,007.80 × 40,183,457.20
  4. Step 4: Simplify right side
    161,352,005.20x = 9,725,522,092,632,568
  5. Step 5: Solve for x
    x = 9,725,522,092,632,568/161,352,005.20
  6. Step 6: Final answer
    x = 60,275,185.80

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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.