Home / 85,324,518.42-117,735,211.04-51,816,572.88

Finding the Fourth Proportional to 85,324,518.42, 117,735,211.04 and 51,816,572.88

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Solution

The fourth proportional to 85,324,518.42, 117,735,211.04 and 51,816,572.88 is: 71,499,203.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,324,518.42 : 117,735,211.04 = 51,816,572.88 : x
  2. Step 2: Convert to fraction form
    85,324,518.42/117,735,211.04 = 51,816,572.88/x
  3. Step 3: Cross multiply
    85,324,518.42x = 117,735,211.04 × 51,816,572.88
  4. Step 4: Simplify right side
    85,324,518.42x = 6,100,635,143,137,258
  5. Step 5: Solve for x
    x = 6,100,635,143,137,258/85,324,518.42
  6. Step 6: Final answer
    x = 71,499,203.93

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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.