Home / 178,817,912.40-268,160,513.40-71,090,245.20

Finding the Fourth Proportional to 178,817,912.40, 268,160,513.40 and 71,090,245.20

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Solution

The fourth proportional to 178,817,912.40, 268,160,513.40 and 71,090,245.20 is: 106,608,987.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,817,912.40 : 268,160,513.40 = 71,090,245.20 : x
  2. Step 2: Convert to fraction form
    178,817,912.40/268,160,513.40 = 71,090,245.20/x
  3. Step 3: Cross multiply
    178,817,912.40x = 268,160,513.40 × 71,090,245.20
  4. Step 4: Simplify right side
    178,817,912.40x = 19,063,596,650,563,888
  5. Step 5: Solve for x
    x = 19,063,596,650,563,888/178,817,912.40
  6. Step 6: Final answer
    x = 106,608,987.85

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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.