Home / 456,193,974.40-684,039,019.20-149,328,131.20

Finding the Fourth Proportional to 456,193,974.40, 684,039,019.20 and 149,328,131.20

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Solution

The fourth proportional to 456,193,974.40, 684,039,019.20 and 149,328,131.20 is: 223,909,727.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,193,974.40 : 684,039,019.20 = 149,328,131.20 : x
  2. Step 2: Convert to fraction form
    456,193,974.40/684,039,019.20 = 149,328,131.20/x
  3. Step 3: Cross multiply
    456,193,974.40x = 684,039,019.20 × 149,328,131.20
  4. Step 4: Simplify right side
    456,193,974.40x = 102,146,268,405,016,912
  5. Step 5: Solve for x
    x = 102,146,268,405,016,912/456,193,974.40
  6. Step 6: Final answer
    x = 223,909,727.30

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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.