Home / 82,994,156,741.55-124,491,235,112.33-20,955,860,165.55

Finding the Fourth Proportional to 82,994,156,741.55, 124,491,235,112.33 and 20,955,860,165.55

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Solution

The fourth proportional to 82,994,156,741.55, 124,491,235,112.33 and 20,955,860,165.55 is: 31,433,790,248.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,994,156,741.55 : 124,491,235,112.33 = 20,955,860,165.55 : x
  2. Step 2: Convert to fraction form
    82,994,156,741.55/124,491,235,112.33 = 20,955,860,165.55/x
  3. Step 3: Cross multiply
    82,994,156,741.55x = 124,491,235,112.33 × 20,955,860,165.55
  4. Step 4: Simplify right side
    82,994,156,741.55x = 2,608,820,914,850,595,602,432
  5. Step 5: Solve for x
    x = 2,608,820,914,850,595,602,432/82,994,156,741.55
  6. Step 6: Final answer
    x = 31,433,790,248.33

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Double scale
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Similar ratio
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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.