Home / 80,906,987,662.80-121,278,852,156.60-36,772,725,800.40

Finding the Fourth Proportional to 80,906,987,662.80, 121,278,852,156.60 and 36,772,725,800.40

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Solution

The fourth proportional to 80,906,987,662.80, 121,278,852,156.60 and 36,772,725,800.40 is: 55,121,987,662.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,906,987,662.80 : 121,278,852,156.60 = 36,772,725,800.40 : x
  2. Step 2: Convert to fraction form
    80,906,987,662.80/121,278,852,156.60 = 36,772,725,800.40/x
  3. Step 3: Cross multiply
    80,906,987,662.80x = 121,278,852,156.60 × 36,772,725,800.40
  4. Step 4: Simplify right side
    80,906,987,662.80x = 4,459,753,975,741,902,487,552
  5. Step 5: Solve for x
    x = 4,459,753,975,741,902,487,552/80,906,987,662.80
  6. Step 6: Final answer
    x = 55,121,987,662.29

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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.