Home / 101,208,005.15-151,812,007.73-50,189,669.15

Finding the Fourth Proportional to 101,208,005.15, 151,812,007.73 and 50,189,669.15

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Solution

The fourth proportional to 101,208,005.15, 151,812,007.73 and 50,189,669.15 is: 75,284,503.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,208,005.15 : 151,812,007.73 = 50,189,669.15 : x
  2. Step 2: Convert to fraction form
    101,208,005.15/151,812,007.73 = 50,189,669.15/x
  3. Step 3: Cross multiply
    101,208,005.15x = 151,812,007.73 × 50,189,669.15
  4. Step 4: Simplify right side
    101,208,005.15x = 7,619,394,440,714,994
  5. Step 5: Solve for x
    x = 7,619,394,440,714,994/101,208,005.15
  6. Step 6: Final answer
    x = 75,284,503.73

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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.