Home / 145,636,136.08-200,969,801.64-79,543,474.96

Finding the Fourth Proportional to 145,636,136.08, 200,969,801.64 and 79,543,474.96

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Solution

The fourth proportional to 145,636,136.08, 200,969,801.64 and 79,543,474.96 is: 109,765,589.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,636,136.08 : 200,969,801.64 = 79,543,474.96 : x
  2. Step 2: Convert to fraction form
    145,636,136.08/200,969,801.64 = 79,543,474.96/x
  3. Step 3: Cross multiply
    145,636,136.08x = 200,969,801.64 × 79,543,474.96
  4. Step 4: Simplify right side
    145,636,136.08x = 15,985,836,384,467,504
  5. Step 5: Solve for x
    x = 15,985,836,384,467,504/145,636,136.08
  6. Step 6: Final answer
    x = 109,765,589.88

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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.