Home / 90,813,457.40-125,320,822.44-49,560,645

Finding the Fourth Proportional to 90,813,457.40, 125,320,822.44 and 49,560,645

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Solution

The fourth proportional to 90,813,457.40, 125,320,822.44 and 49,560,645 is: 68,392,735.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,813,457.40 : 125,320,822.44 = 49,560,645 : x
  2. Step 2: Convert to fraction form
    90,813,457.40/125,320,822.44 = 49,560,645/x
  3. Step 3: Cross multiply
    90,813,457.40x = 125,320,822.44 × 49,560,645
  4. Step 4: Simplify right side
    90,813,457.40x = 6,210,980,792,056,874
  5. Step 5: Solve for x
    x = 6,210,980,792,056,874/90,813,457.40
  6. Step 6: Final answer
    x = 68,392,735.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.