Home / 71,900,560.80-107,850,841.20-47,714,090.40

Finding the Fourth Proportional to 71,900,560.80, 107,850,841.20 and 47,714,090.40

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Solution

The fourth proportional to 71,900,560.80, 107,850,841.20 and 47,714,090.40 is: 71,571,135.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,900,560.80 : 107,850,841.20 = 47,714,090.40 : x
  2. Step 2: Convert to fraction form
    71,900,560.80/107,850,841.20 = 47,714,090.40/x
  3. Step 3: Cross multiply
    71,900,560.80x = 107,850,841.20 × 47,714,090.40
  4. Step 4: Simplify right side
    71,900,560.80x = 5,146,004,786,732,844
  5. Step 5: Solve for x
    x = 5,146,004,786,732,844/71,900,560.80
  6. Step 6: Final answer
    x = 71,571,135.60

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1.5x scale

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.