Home / 82,791,072,510.80-124,186,608,766.20-45,511,659,467.60

Finding the Fourth Proportional to 82,791,072,510.80, 124,186,608,766.20 and 45,511,659,467.60

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Solution

The fourth proportional to 82,791,072,510.80, 124,186,608,766.20 and 45,511,659,467.60 is: 68,267,489,201.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,791,072,510.80 : 124,186,608,766.20 = 45,511,659,467.60 : x
  2. Step 2: Convert to fraction form
    82,791,072,510.80/124,186,608,766.20 = 45,511,659,467.60/x
  3. Step 3: Cross multiply
    82,791,072,510.80x = 124,186,608,766.20 × 45,511,659,467.60
  4. Step 4: Simplify right side
    82,791,072,510.80x = 5,651,938,648,603,363,377,152
  5. Step 5: Solve for x
    x = 5,651,938,648,603,363,377,152/82,791,072,510.80
  6. Step 6: Final answer
    x = 68,267,489,201.40

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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.