Home / 306,765,189.72-423,346,408.51-181,424,829.87

Finding the Fourth Proportional to 306,765,189.72, 423,346,408.51 and 181,424,829.87

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Solution

The fourth proportional to 306,765,189.72, 423,346,408.51 and 181,424,829.87 is: 250,372,443.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,765,189.72 : 423,346,408.51 = 181,424,829.87 : x
  2. Step 2: Convert to fraction form
    306,765,189.72/423,346,408.51 = 181,424,829.87/x
  3. Step 3: Cross multiply
    306,765,189.72x = 423,346,408.51 × 181,424,829.87
  4. Step 4: Simplify right side
    306,765,189.72x = 76,805,550,140,002,272
  5. Step 5: Solve for x
    x = 76,805,550,140,002,272/306,765,189.72
  6. Step 6: Final answer
    x = 250,372,443.53

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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.