Home / 82,791,072,513.80-124,186,608,770.70-45,511,659,470.60

Finding the Fourth Proportional to 82,791,072,513.80, 124,186,608,770.70 and 45,511,659,470.60

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Solution

The fourth proportional to 82,791,072,513.80, 124,186,608,770.70 and 45,511,659,470.60 is: 68,267,489,205.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,791,072,513.80 : 124,186,608,770.70 = 45,511,659,470.60 : x
  2. Step 2: Convert to fraction form
    82,791,072,513.80/124,186,608,770.70 = 45,511,659,470.60/x
  3. Step 3: Cross multiply
    82,791,072,513.80x = 124,186,608,770.70 × 45,511,659,470.60
  4. Step 4: Simplify right side
    82,791,072,513.80x = 5,651,938,649,180,725,051,392
  5. Step 5: Solve for x
    x = 5,651,938,649,180,725,051,392/82,791,072,513.80
  6. Step 6: Final answer
    x = 68,267,489,205.90

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Double scale
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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.