Home / 306,206,410.56-422,575,050.24-166,984,789.92

Finding the Fourth Proportional to 306,206,410.56, 422,575,050.24 and 166,984,789.92

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Solution

The fourth proportional to 306,206,410.56, 422,575,050.24 and 166,984,789.92 is: 230,444,574.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,206,410.56 : 422,575,050.24 = 166,984,789.92 : x
  2. Step 2: Convert to fraction form
    306,206,410.56/422,575,050.24 = 166,984,789.92/x
  3. Step 3: Cross multiply
    306,206,410.56x = 422,575,050.24 × 166,984,789.92
  4. Step 4: Simplify right side
    306,206,410.56x = 70,563,605,989,759,840
  5. Step 5: Solve for x
    x = 70,563,605,989,759,840/306,206,410.56
  6. Step 6: Final answer
    x = 230,444,574.50

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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.