Home / 228,327,839.65-315,092,420.98-123,905,910.98

Finding the Fourth Proportional to 228,327,839.65, 315,092,420.98 and 123,905,910.98

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Solution

The fourth proportional to 228,327,839.65, 315,092,420.98 and 123,905,910.98 is: 170,990,158.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,327,839.65 : 315,092,420.98 = 123,905,910.98 : x
  2. Step 2: Convert to fraction form
    228,327,839.65/315,092,420.98 = 123,905,910.98/x
  3. Step 3: Cross multiply
    228,327,839.65x = 315,092,420.98 × 123,905,910.98
  4. Step 4: Simplify right side
    228,327,839.65x = 39,041,813,462,535,336
  5. Step 5: Solve for x
    x = 39,041,813,462,535,336/228,327,839.65
  6. Step 6: Final answer
    x = 170,990,158.37

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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.