Home / 209,953,136.10-314,929,704.15-133,614,588.90

Finding the Fourth Proportional to 209,953,136.10, 314,929,704.15 and 133,614,588.90

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Solution

The fourth proportional to 209,953,136.10, 314,929,704.15 and 133,614,588.90 is: 200,421,883.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,953,136.10 : 314,929,704.15 = 133,614,588.90 : x
  2. Step 2: Convert to fraction form
    209,953,136.10/314,929,704.15 = 133,614,588.90/x
  3. Step 3: Cross multiply
    209,953,136.10x = 314,929,704.15 × 133,614,588.90
  4. Step 4: Simplify right side
    209,953,136.10x = 42,079,202,952,400,872
  5. Step 5: Solve for x
    x = 42,079,202,952,400,872/209,953,136.10
  6. Step 6: Final answer
    x = 200,421,883.35

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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.