Home / 579,096,861.88-868,637,711.22-142,401,315.64

Finding the Fourth Proportional to 579,096,861.88, 868,637,711.22 and 142,401,315.64

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Solution

The fourth proportional to 579,096,861.88, 868,637,711.22 and 142,401,315.64 is: 213,600,109.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,096,861.88 : 868,637,711.22 = 142,401,315.64 : x
  2. Step 2: Convert to fraction form
    579,096,861.88/868,637,711.22 = 142,401,315.64/x
  3. Step 3: Cross multiply
    579,096,861.88x = 868,637,711.22 × 142,401,315.64
  4. Step 4: Simplify right side
    579,096,861.88x = 123,695,152,892,246,384
  5. Step 5: Solve for x
    x = 123,695,152,892,246,384/579,096,861.88
  6. Step 6: Final answer
    x = 213,600,109.13

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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.