Home / 169,489,871.40-254,234,807.10-131,226,119.40

Finding the Fourth Proportional to 169,489,871.40, 254,234,807.10 and 131,226,119.40

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Solution

The fourth proportional to 169,489,871.40, 254,234,807.10 and 131,226,119.40 is: 196,839,179.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,489,871.40 : 254,234,807.10 = 131,226,119.40 : x
  2. Step 2: Convert to fraction form
    169,489,871.40/254,234,807.10 = 131,226,119.40/x
  3. Step 3: Cross multiply
    169,489,871.40x = 254,234,807.10 × 131,226,119.40
  4. Step 4: Simplify right side
    169,489,871.40x = 33,362,247,152,140,568
  5. Step 5: Solve for x
    x = 33,362,247,152,140,568/169,489,871.40
  6. Step 6: Final answer
    x = 196,839,179.10

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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.