Home / 115,505,556.02-173,141,749.16-72,405,026.62

Finding the Fourth Proportional to 115,505,556.02, 173,141,749.16 and 72,405,026.62

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Solution

The fourth proportional to 115,505,556.02, 173,141,749.16 and 72,405,026.62 is: 108,534,458.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,505,556.02 : 173,141,749.16 = 72,405,026.62 : x
  2. Step 2: Convert to fraction form
    115,505,556.02/173,141,749.16 = 72,405,026.62/x
  3. Step 3: Cross multiply
    115,505,556.02x = 173,141,749.16 × 72,405,026.62
  4. Step 4: Simplify right side
    115,505,556.02x = 12,536,332,956,439,804
  5. Step 5: Solve for x
    x = 12,536,332,956,439,804/115,505,556.02
  6. Step 6: Final answer
    x = 108,534,458.33

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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.