Home / 306,693,412.83-423,235,221.80-167,463,183.51

Finding the Fourth Proportional to 306,693,412.83, 423,235,221.80 and 167,463,183.51

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Solution

The fourth proportional to 306,693,412.83, 423,235,221.80 and 167,463,183.51 is: 231,098,271.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,693,412.83 : 423,235,221.80 = 167,463,183.51 : x
  2. Step 2: Convert to fraction form
    306,693,412.83/423,235,221.80 = 167,463,183.51/x
  3. Step 3: Cross multiply
    306,693,412.83x = 423,235,221.80 × 167,463,183.51
  4. Step 4: Simplify right side
    306,693,412.83x = 70,876,317,615,351,632
  5. Step 5: Solve for x
    x = 70,876,317,615,351,632/306,693,412.83
  6. Step 6: Final answer
    x = 231,098,271.60

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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.