Home / 153,617,994,217.56-211,988,229,799.36-85,032,218,636.60

Finding the Fourth Proportional to 153,617,994,217.56, 211,988,229,799.36 and 85,032,218,636.60

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Solution

The fourth proportional to 153,617,994,217.56, 211,988,229,799.36 and 85,032,218,636.60 is: 117,341,914,249.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,617,994,217.56 : 211,988,229,799.36 = 85,032,218,636.60 : x
  2. Step 2: Convert to fraction form
    153,617,994,217.56/211,988,229,799.36 = 85,032,218,636.60/x
  3. Step 3: Cross multiply
    153,617,994,217.56x = 211,988,229,799.36 × 85,032,218,636.60
  4. Step 4: Simplify right side
    153,617,994,217.56x = 18,025,829,504,684,983,844,864
  5. Step 5: Solve for x
    x = 18,025,829,504,684,983,844,864/153,617,994,217.56
  6. Step 6: Final answer
    x = 117,341,914,249.68

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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.