Home / 66,204,459.54-91,360,722.56-38,328,345.18

Finding the Fourth Proportional to 66,204,459.54, 91,360,722.56 and 38,328,345.18

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Solution

The fourth proportional to 66,204,459.54, 91,360,722.56 and 38,328,345.18 is: 52,892,287.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,204,459.54 : 91,360,722.56 = 38,328,345.18 : x
  2. Step 2: Convert to fraction form
    66,204,459.54/91,360,722.56 = 38,328,345.18/x
  3. Step 3: Cross multiply
    66,204,459.54x = 91,360,722.56 × 38,328,345.18
  4. Step 4: Simplify right side
    66,204,459.54x = 3,501,705,309,982,252
  5. Step 5: Solve for x
    x = 3,501,705,309,982,252/66,204,459.54
  6. Step 6: Final answer
    x = 52,892,287.53

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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.