Home / 188,944,136.80-283,416,205.20-79,892,443.60

Finding the Fourth Proportional to 188,944,136.80, 283,416,205.20 and 79,892,443.60

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Solution

The fourth proportional to 188,944,136.80, 283,416,205.20 and 79,892,443.60 is: 119,838,665.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,944,136.80 : 283,416,205.20 = 79,892,443.60 : x
  2. Step 2: Convert to fraction form
    188,944,136.80/283,416,205.20 = 79,892,443.60/x
  3. Step 3: Cross multiply
    188,944,136.80x = 283,416,205.20 × 79,892,443.60
  4. Step 4: Simplify right side
    188,944,136.80x = 22,642,813,189,267,024
  5. Step 5: Solve for x
    x = 22,642,813,189,267,024/188,944,136.80
  6. Step 6: Final answer
    x = 119,838,665.40

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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.