Home / 54,113,613.06-81,169,484.31-18,211,821.06

Finding the Fourth Proportional to 54,113,613.06, 81,169,484.31 and 18,211,821.06

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Solution

The fourth proportional to 54,113,613.06, 81,169,484.31 and 18,211,821.06 is: 27,317,416.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,113,613.06 : 81,169,484.31 = 18,211,821.06 : x
  2. Step 2: Convert to fraction form
    54,113,613.06/81,169,484.31 = 18,211,821.06/x
  3. Step 3: Cross multiply
    54,113,613.06x = 81,169,484.31 × 18,211,821.06
  4. Step 4: Simplify right side
    54,113,613.06x = 1,478,244,123,786,197.50
  5. Step 5: Solve for x
    x = 1,478,244,123,786,197.50/54,113,613.06
  6. Step 6: Final answer
    x = 27,317,416.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.