Home / 30,543,843.30-42,151,335.21-16,606,136.21

Finding the Fourth Proportional to 30,543,843.30, 42,151,335.21 and 16,606,136.21

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Solution

The fourth proportional to 30,543,843.30, 42,151,335.21 and 16,606,136.21 is: 22,916,920.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,543,843.30 : 42,151,335.21 = 16,606,136.21 : x
  2. Step 2: Convert to fraction form
    30,543,843.30/42,151,335.21 = 16,606,136.21/x
  3. Step 3: Cross multiply
    30,543,843.30x = 42,151,335.21 × 16,606,136.21
  4. Step 4: Simplify right side
    30,543,843.30x = 699,970,814,036,007.38
  5. Step 5: Solve for x
    x = 699,970,814,036,007.38/30,543,843.30
  6. Step 6: Final answer
    x = 22,916,920.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.