Home / 78,802,049.72-118,073,373.47-26,958,311.68

Finding the Fourth Proportional to 78,802,049.72, 118,073,373.47 and 26,958,311.68

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Solution

The fourth proportional to 78,802,049.72, 118,073,373.47 and 26,958,311.68 is: 40,393,096.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,802,049.72 : 118,073,373.47 = 26,958,311.68 : x
  2. Step 2: Convert to fraction form
    78,802,049.72/118,073,373.47 = 26,958,311.68/x
  3. Step 3: Cross multiply
    78,802,049.72x = 118,073,373.47 × 26,958,311.68
  4. Step 4: Simplify right side
    78,802,049.72x = 3,183,058,802,507,539.50
  5. Step 5: Solve for x
    x = 3,183,058,802,507,539.50/78,802,049.72
  6. Step 6: Final answer
    x = 40,393,096.55

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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.