Home / 372,276,643.65-558,414,965.48-99,647,410.65

Finding the Fourth Proportional to 372,276,643.65, 558,414,965.48 and 99,647,410.65

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Solution

The fourth proportional to 372,276,643.65, 558,414,965.48 and 99,647,410.65 is: 149,471,115.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,276,643.65 : 558,414,965.48 = 99,647,410.65 : x
  2. Step 2: Convert to fraction form
    372,276,643.65/558,414,965.48 = 99,647,410.65/x
  3. Step 3: Cross multiply
    372,276,643.65x = 558,414,965.48 × 99,647,410.65
  4. Step 4: Simplify right side
    372,276,643.65x = 55,644,605,377,792,904
  5. Step 5: Solve for x
    x = 55,644,605,377,792,904/372,276,643.65
  6. Step 6: Final answer
    x = 149,471,115.98

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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.