Home / 306,765,504.90-423,346,842.42-181,425,145.08

Finding the Fourth Proportional to 306,765,504.90, 423,346,842.42 and 181,425,145.08

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Solution

The fourth proportional to 306,765,504.90, 423,346,842.42 and 181,425,145.08 is: 250,372,877.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,765,504.90 : 423,346,842.42 = 181,425,145.08 : x
  2. Step 2: Convert to fraction form
    306,765,504.90/423,346,842.42 = 181,425,145.08/x
  3. Step 3: Cross multiply
    306,765,504.90x = 423,346,842.42 × 181,425,145.08
  4. Step 4: Simplify right side
    306,765,504.90x = 76,805,762,305,208,400
  5. Step 5: Solve for x
    x = 76,805,762,305,208,400/306,765,504.90
  6. Step 6: Final answer
    x = 250,372,877.91

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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.