Home / 221,281,331.20-331,921,996.80-167,533,619.20

Finding the Fourth Proportional to 221,281,331.20, 331,921,996.80 and 167,533,619.20

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Solution

The fourth proportional to 221,281,331.20, 331,921,996.80 and 167,533,619.20 is: 251,300,428.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,281,331.20 : 331,921,996.80 = 167,533,619.20 : x
  2. Step 2: Convert to fraction form
    221,281,331.20/331,921,996.80 = 167,533,619.20/x
  3. Step 3: Cross multiply
    221,281,331.20x = 331,921,996.80 × 167,533,619.20
  4. Step 4: Simplify right side
    221,281,331.20x = 55,608,093,415,994,816
  5. Step 5: Solve for x
    x = 55,608,093,415,994,816/221,281,331.20
  6. Step 6: Final answer
    x = 251,300,428.80

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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.