Home / 254,238,690.08-381,361,578.48-72,485,868.32

Finding the Fourth Proportional to 254,238,690.08, 381,361,578.48 and 72,485,868.32

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Solution

The fourth proportional to 254,238,690.08, 381,361,578.48 and 72,485,868.32 is: 108,729,812.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,238,690.08 : 381,361,578.48 = 72,485,868.32 : x
  2. Step 2: Convert to fraction form
    254,238,690.08/381,361,578.48 = 72,485,868.32/x
  3. Step 3: Cross multiply
    254,238,690.08x = 381,361,578.48 × 72,485,868.32
  4. Step 4: Simplify right side
    254,238,690.08x = 27,643,325,160,008,624
  5. Step 5: Solve for x
    x = 27,643,325,160,008,624/254,238,690.08
  6. Step 6: Final answer
    x = 108,729,812.73

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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.