Home / 100,714,740,599.20-138,998,529,575.52-57,321,575,887.68

Finding the Fourth Proportional to 100,714,740,599.20, 138,998,529,575.52 and 57,321,575,887.68

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Solution

The fourth proportional to 100,714,740,599.20, 138,998,529,575.52 and 57,321,575,887.68 is: 79,110,711,241.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,714,740,599.20 : 138,998,529,575.52 = 57,321,575,887.68 : x
  2. Step 2: Convert to fraction form
    100,714,740,599.20/138,998,529,575.52 = 57,321,575,887.68/x
  3. Step 3: Cross multiply
    100,714,740,599.20x = 138,998,529,575.52 × 57,321,575,887.68
  4. Step 4: Simplify right side
    100,714,740,599.20x = 7,967,614,761,339,102,167,040
  5. Step 5: Solve for x
    x = 7,967,614,761,339,102,167,040/100,714,740,599.20
  6. Step 6: Final answer
    x = 79,110,711,241.83

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1.5x scale

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.