Home / 124,893,550.03-172,355,140.39-68,377,353.61

Finding the Fourth Proportional to 124,893,550.03, 172,355,140.39 and 68,377,353.61

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Solution

The fourth proportional to 124,893,550.03, 172,355,140.39 and 68,377,353.61 is: 94,361,865.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,893,550.03 : 172,355,140.39 = 68,377,353.61 : x
  2. Step 2: Convert to fraction form
    124,893,550.03/172,355,140.39 = 68,377,353.61/x
  3. Step 3: Cross multiply
    124,893,550.03x = 172,355,140.39 × 68,377,353.61
  4. Step 4: Simplify right side
    124,893,550.03x = 11,785,188,380,948,222
  5. Step 5: Solve for x
    x = 11,785,188,380,948,222/124,893,550.03
  6. Step 6: Final answer
    x = 94,361,865.59

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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.