Home / 83,219,906.40-124,829,859.60-50,971,279.20

Finding the Fourth Proportional to 83,219,906.40, 124,829,859.60 and 50,971,279.20

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Solution

The fourth proportional to 83,219,906.40, 124,829,859.60 and 50,971,279.20 is: 76,456,918.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,219,906.40 : 124,829,859.60 = 50,971,279.20 : x
  2. Step 2: Convert to fraction form
    83,219,906.40/124,829,859.60 = 50,971,279.20/x
  3. Step 3: Cross multiply
    83,219,906.40x = 124,829,859.60 × 50,971,279.20
  4. Step 4: Simplify right side
    83,219,906.40x = 6,362,737,626,168,400
  5. Step 5: Solve for x
    x = 6,362,737,626,168,400/83,219,906.40
  6. Step 6: Final answer
    x = 76,456,918.80

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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.