Home / 161,208,007.20-241,812,010.80-40,039,459.20

Finding the Fourth Proportional to 161,208,007.20, 241,812,010.80 and 40,039,459.20

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Solution

The fourth proportional to 161,208,007.20, 241,812,010.80 and 40,039,459.20 is: 60,059,188.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,208,007.20 : 241,812,010.80 = 40,039,459.20 : x
  2. Step 2: Convert to fraction form
    161,208,007.20/241,812,010.80 = 40,039,459.20/x
  3. Step 3: Cross multiply
    161,208,007.20x = 241,812,010.80 × 40,039,459.20
  4. Step 4: Simplify right side
    161,208,007.20x = 9,682,022,140,496,560
  5. Step 5: Solve for x
    x = 9,682,022,140,496,560/161,208,007.20
  6. Step 6: Final answer
    x = 60,059,188.80

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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.