Home / 254,657,945.03-381,986,440.18-79,794,365.81

Finding the Fourth Proportional to 254,657,945.03, 381,986,440.18 and 79,794,365.81

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Solution

The fourth proportional to 254,657,945.03, 381,986,440.18 and 79,794,365.81 is: 119,691,399.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,657,945.03 : 381,986,440.18 = 79,794,365.81 : x
  2. Step 2: Convert to fraction form
    254,657,945.03/381,986,440.18 = 79,794,365.81/x
  3. Step 3: Cross multiply
    254,657,945.03x = 381,986,440.18 × 79,794,365.81
  4. Step 4: Simplify right side
    254,657,945.03x = 30,480,365,740,073,188
  5. Step 5: Solve for x
    x = 30,480,365,740,073,188/254,657,945.03
  6. Step 6: Final answer
    x = 119,691,399.13

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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.