Home / 238,946,229.86-358,457,136.14-85,588,890.98

Finding the Fourth Proportional to 238,946,229.86, 358,457,136.14 and 85,588,890.98

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Solution

The fourth proportional to 238,946,229.86, 358,457,136.14 and 85,588,890.98 is: 128,396,873.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,946,229.86 : 358,457,136.14 = 85,588,890.98 : x
  2. Step 2: Convert to fraction form
    238,946,229.86/358,457,136.14 = 85,588,890.98/x
  3. Step 3: Cross multiply
    238,946,229.86x = 358,457,136.14 × 85,588,890.98
  4. Step 4: Simplify right side
    238,946,229.86x = 30,679,948,744,511,160
  5. Step 5: Solve for x
    x = 30,679,948,744,511,160/238,946,229.86
  6. Step 6: Final answer
    x = 128,396,873.07

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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.