Home / 178,890,902.09-268,342,331.88-49,487,675.80

Finding the Fourth Proportional to 178,890,902.09, 268,342,331.88 and 49,487,675.80

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Solution

The fourth proportional to 178,890,902.09, 268,342,331.88 and 49,487,675.80 is: 74,233,167.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,890,902.09 : 268,342,331.88 = 49,487,675.80 : x
  2. Step 2: Convert to fraction form
    178,890,902.09/268,342,331.88 = 49,487,675.80/x
  3. Step 3: Cross multiply
    178,890,902.09x = 268,342,331.88 × 49,487,675.80
  4. Step 4: Simplify right side
    178,890,902.09x = 13,279,638,323,493,444
  5. Step 5: Solve for x
    x = 13,279,638,323,493,444/178,890,902.09
  6. Step 6: Final answer
    x = 74,233,167.64

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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.