Home / 254,238,626.70-381,361,483.11-72,485,804.70

Finding the Fourth Proportional to 254,238,626.70, 381,361,483.11 and 72,485,804.70

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Solution

The fourth proportional to 254,238,626.70, 381,361,483.11 and 72,485,804.70 is: 108,729,717.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,238,626.70 : 381,361,483.11 = 72,485,804.70 : x
  2. Step 2: Convert to fraction form
    254,238,626.70/381,361,483.11 = 72,485,804.70/x
  3. Step 3: Cross multiply
    254,238,626.70x = 381,361,483.11 × 72,485,804.70
  4. Step 4: Simplify right side
    254,238,626.70x = 27,643,293,984,813,812
  5. Step 5: Solve for x
    x = 27,643,293,984,813,812/254,238,626.70
  6. Step 6: Final answer
    x = 108,729,717.21

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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.