Home / 254,238,626.95-381,361,483.49-72,485,804.95

Finding the Fourth Proportional to 254,238,626.95, 381,361,483.49 and 72,485,804.95

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Solution

The fourth proportional to 254,238,626.95, 381,361,483.49 and 72,485,804.95 is: 108,729,717.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,238,626.95 : 381,361,483.49 = 72,485,804.95 : x
  2. Step 2: Convert to fraction form
    254,238,626.95/381,361,483.49 = 72,485,804.95/x
  3. Step 3: Cross multiply
    254,238,626.95x = 381,361,483.49 × 72,485,804.95
  4. Step 4: Simplify right side
    254,238,626.95x = 27,643,294,107,336,360
  5. Step 5: Solve for x
    x = 27,643,294,107,336,360/254,238,626.95
  6. Step 6: Final answer
    x = 108,729,717.58

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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.