Home / 104,813,255.18-144,640,354.52-57,128,920.50

Finding the Fourth Proportional to 104,813,255.18, 144,640,354.52 and 57,128,920.50

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Solution

The fourth proportional to 104,813,255.18, 144,640,354.52 and 57,128,920.50 is: 78,836,854.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,813,255.18 : 144,640,354.52 = 57,128,920.50 : x
  2. Step 2: Convert to fraction form
    104,813,255.18/144,640,354.52 = 57,128,920.50/x
  3. Step 3: Cross multiply
    104,813,255.18x = 144,640,354.52 × 57,128,920.50
  4. Step 4: Simplify right side
    104,813,255.18x = 8,263,147,314,464,896
  5. Step 5: Solve for x
    x = 8,263,147,314,464,896/104,813,255.18
  6. Step 6: Final answer
    x = 78,836,854.18

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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.