Home / 104,813,259.20-144,640,360.04-57,128,924.52

Finding the Fourth Proportional to 104,813,259.20, 144,640,360.04 and 57,128,924.52

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Solution

The fourth proportional to 104,813,259.20, 144,640,360.04 and 57,128,924.52 is: 78,836,859.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,813,259.20 : 144,640,360.04 = 57,128,924.52 : x
  2. Step 2: Convert to fraction form
    104,813,259.20/144,640,360.04 = 57,128,924.52/x
  3. Step 3: Cross multiply
    104,813,259.20x = 144,640,360.04 × 57,128,924.52
  4. Step 4: Simplify right side
    104,813,259.20x = 8,263,148,211,270,784
  5. Step 5: Solve for x
    x = 8,263,148,211,270,784/104,813,259.20
  6. Step 6: Final answer
    x = 78,836,859.71

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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.