Home / 303,369,581.76-418,650,016.38-164,140,343.60

Finding the Fourth Proportional to 303,369,581.76, 418,650,016.38 and 164,140,343.60

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Solution

The fourth proportional to 303,369,581.76, 418,650,016.38 and 164,140,343.60 is: 226,513,670.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,369,581.76 : 418,650,016.38 = 164,140,343.60 : x
  2. Step 2: Convert to fraction form
    303,369,581.76/418,650,016.38 = 164,140,343.60/x
  3. Step 3: Cross multiply
    303,369,581.76x = 418,650,016.38 × 164,140,343.60
  4. Step 4: Simplify right side
    303,369,581.76x = 68,717,357,536,758,824
  5. Step 5: Solve for x
    x = 68,717,357,536,758,824/303,369,581.76
  6. Step 6: Final answer
    x = 226,513,670.68

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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.