Home / 306,765,245.05-423,346,484.71-181,424,885.20

Finding the Fourth Proportional to 306,765,245.05, 423,346,484.71 and 181,424,885.20

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Solution

The fourth proportional to 306,765,245.05, 423,346,484.71 and 181,424,885.20 is: 250,372,519.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,765,245.05 : 423,346,484.71 = 181,424,885.20 : x
  2. Step 2: Convert to fraction form
    306,765,245.05/423,346,484.71 = 181,424,885.20/x
  3. Step 3: Cross multiply
    306,765,245.05x = 423,346,484.71 × 181,424,885.20
  4. Step 4: Simplify right side
    306,765,245.05x = 76,805,587,387,503,712
  5. Step 5: Solve for x
    x = 76,805,587,387,503,712/306,765,245.05
  6. Step 6: Final answer
    x = 250,372,519.79

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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.