Home / 83,080,627.20-124,620,940.80-47,248,819.20

Finding the Fourth Proportional to 83,080,627.20, 124,620,940.80 and 47,248,819.20

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Solution

The fourth proportional to 83,080,627.20, 124,620,940.80 and 47,248,819.20 is: 70,873,228.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,080,627.20 : 124,620,940.80 = 47,248,819.20 : x
  2. Step 2: Convert to fraction form
    83,080,627.20/124,620,940.80 = 47,248,819.20/x
  3. Step 3: Cross multiply
    83,080,627.20x = 124,620,940.80 × 47,248,819.20
  4. Step 4: Simplify right side
    83,080,627.20x = 5,888,192,300,393,104
  5. Step 5: Solve for x
    x = 5,888,192,300,393,104/83,080,627.20
  6. Step 6: Final answer
    x = 70,873,228.80

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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.