Home / 67,225,879.40-100,838,819.10-19,361,661.80

Finding the Fourth Proportional to 67,225,879.40, 100,838,819.10 and 19,361,661.80

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Solution

The fourth proportional to 67,225,879.40, 100,838,819.10 and 19,361,661.80 is: 29,042,492.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,225,879.40 : 100,838,819.10 = 19,361,661.80 : x
  2. Step 2: Convert to fraction form
    67,225,879.40/100,838,819.10 = 19,361,661.80/x
  3. Step 3: Cross multiply
    67,225,879.40x = 100,838,819.10 × 19,361,661.80
  4. Step 4: Simplify right side
    67,225,879.40x = 1,952,407,111,725,580.25
  5. Step 5: Solve for x
    x = 1,952,407,111,725,580.25/67,225,879.40
  6. Step 6: Final answer
    x = 29,042,492.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.