Home / 104,813,305.28-144,640,423.86-57,128,970.56

Finding the Fourth Proportional to 104,813,305.28, 144,640,423.86 and 57,128,970.56

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Solution

The fourth proportional to 104,813,305.28, 144,640,423.86 and 57,128,970.56 is: 78,836,923.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,813,305.28 : 144,640,423.86 = 57,128,970.56 : x
  2. Step 2: Convert to fraction form
    104,813,305.28/144,640,423.86 = 57,128,970.56/x
  3. Step 3: Cross multiply
    104,813,305.28x = 144,640,423.86 × 57,128,970.56
  4. Step 4: Simplify right side
    104,813,305.28x = 8,263,158,516,483,863
  5. Step 5: Solve for x
    x = 8,263,158,516,483,863/104,813,305.28
  6. Step 6: Final answer
    x = 78,836,923.37

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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.