Home / 82,994,156,718.80-124,491,235,078.20-20,955,860,142.80

Finding the Fourth Proportional to 82,994,156,718.80, 124,491,235,078.20 and 20,955,860,142.80

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Solution

The fourth proportional to 82,994,156,718.80, 124,491,235,078.20 and 20,955,860,142.80 is: 31,433,790,214.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,994,156,718.80 : 124,491,235,078.20 = 20,955,860,142.80 : x
  2. Step 2: Convert to fraction form
    82,994,156,718.80/124,491,235,078.20 = 20,955,860,142.80/x
  3. Step 3: Cross multiply
    82,994,156,718.80x = 124,491,235,078.20 × 20,955,860,142.80
  4. Step 4: Simplify right side
    82,994,156,718.80x = 2,608,820,911,303,196,409,856
  5. Step 5: Solve for x
    x = 2,608,820,911,303,196,409,856/82,994,156,718.80
  6. Step 6: Final answer
    x = 31,433,790,214.20

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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.