Home / 306,765,187.72-423,346,405.75-181,424,827.87

Finding the Fourth Proportional to 306,765,187.72, 423,346,405.75 and 181,424,827.87

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Solution

The fourth proportional to 306,765,187.72, 423,346,405.75 and 181,424,827.87 is: 250,372,440.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,765,187.72 : 423,346,405.75 = 181,424,827.87 : x
  2. Step 2: Convert to fraction form
    306,765,187.72/423,346,405.75 = 181,424,827.87/x
  3. Step 3: Cross multiply
    306,765,187.72x = 423,346,405.75 × 181,424,827.87
  4. Step 4: Simplify right side
    306,765,187.72x = 76,805,548,792,240,112
  5. Step 5: Solve for x
    x = 76,805,548,792,240,112/306,765,187.72
  6. Step 6: Final answer
    x = 250,372,440.77

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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.