Home / 252,660,652.80-378,990,979.20-61,184,428.80

Finding the Fourth Proportional to 252,660,652.80, 378,990,979.20 and 61,184,428.80

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Solution

The fourth proportional to 252,660,652.80, 378,990,979.20 and 61,184,428.80 is: 91,776,643.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,660,652.80 : 378,990,979.20 = 61,184,428.80 : x
  2. Step 2: Convert to fraction form
    252,660,652.80/378,990,979.20 = 61,184,428.80/x
  3. Step 3: Cross multiply
    252,660,652.80x = 378,990,979.20 × 61,184,428.80
  4. Step 4: Simplify right side
    252,660,652.80x = 23,188,346,582,704,680
  5. Step 5: Solve for x
    x = 23,188,346,582,704,680/252,660,652.80
  6. Step 6: Final answer
    x = 91,776,643.20

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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.