Home / 103,531,486,207.80-155,297,229,311.70-53,321,790,833.40

Finding the Fourth Proportional to 103,531,486,207.80, 155,297,229,311.70 and 53,321,790,833.40

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Solution

The fourth proportional to 103,531,486,207.80, 155,297,229,311.70 and 53,321,790,833.40 is: 79,982,686,250.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,531,486,207.80 : 155,297,229,311.70 = 53,321,790,833.40 : x
  2. Step 2: Convert to fraction form
    103,531,486,207.80/155,297,229,311.70 = 53,321,790,833.40/x
  3. Step 3: Cross multiply
    103,531,486,207.80x = 155,297,229,311.70 × 53,321,790,833.40
  4. Step 4: Simplify right side
    103,531,486,207.80x = 8,280,726,378,365,023,420,416
  5. Step 5: Solve for x
    x = 8,280,726,378,365,023,420,416/103,531,486,207.80
  6. Step 6: Final answer
    x = 79,982,686,250.10

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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.