Home / 100,714,712,269.62-138,998,490,583.20-57,321,548,120.25

Finding the Fourth Proportional to 100,714,712,269.62, 138,998,490,583.20 and 57,321,548,120.25

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Solution

The fourth proportional to 100,714,712,269.62, 138,998,490,583.20 and 57,321,548,120.25 is: 79,110,672,979.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,714,712,269.62 : 138,998,490,583.20 = 57,321,548,120.25 : x
  2. Step 2: Convert to fraction form
    100,714,712,269.62/138,998,490,583.20 = 57,321,548,120.25/x
  3. Step 3: Cross multiply
    100,714,712,269.62x = 138,998,490,583.20 × 57,321,548,120.25
  4. Step 4: Simplify right side
    100,714,712,269.62x = 7,967,608,666,607,015,952,384
  5. Step 5: Solve for x
    x = 7,967,608,666,607,015,952,384/100,714,712,269.62
  6. Step 6: Final answer
    x = 79,110,672,979.71

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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.