Home / 115,505,566.53-173,141,764.88-72,405,037.14

Finding the Fourth Proportional to 115,505,566.53, 173,141,764.88 and 72,405,037.14

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Solution

The fourth proportional to 115,505,566.53, 173,141,764.88 and 72,405,037.14 is: 108,534,474.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,505,566.53 : 173,141,764.88 = 72,405,037.14 : x
  2. Step 2: Convert to fraction form
    115,505,566.53/173,141,764.88 = 72,405,037.14/x
  3. Step 3: Cross multiply
    115,505,566.53x = 173,141,764.88 × 72,405,037.14
  4. Step 4: Simplify right side
    115,505,566.53x = 12,536,335,916,259,522
  5. Step 5: Solve for x
    x = 12,536,335,916,259,522/115,505,566.53
  6. Step 6: Final answer
    x = 108,534,474.08

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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.