Home / 279,131,617.62-385,195,303.26-174,767,277.78

Finding the Fourth Proportional to 279,131,617.62, 385,195,303.26 and 174,767,277.78

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Solution

The fourth proportional to 279,131,617.62, 385,195,303.26 and 174,767,277.78 is: 241,174,880.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,131,617.62 : 385,195,303.26 = 174,767,277.78 : x
  2. Step 2: Convert to fraction form
    279,131,617.62/385,195,303.26 = 174,767,277.78/x
  3. Step 3: Cross multiply
    279,131,617.62x = 385,195,303.26 × 174,767,277.78
  4. Step 4: Simplify right side
    279,131,617.62x = 67,319,534,564,391,760
  5. Step 5: Solve for x
    x = 67,319,534,564,391,760/279,131,617.62
  6. Step 6: Final answer
    x = 241,174,880.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.