Home / 76,383,988.36-114,574,860.60-18,876,258.16

Finding the Fourth Proportional to 76,383,988.36, 114,574,860.60 and 18,876,258.16

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Solution

The fourth proportional to 76,383,988.36, 114,574,860.60 and 18,876,258.16 is: 28,314,109.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,383,988.36 : 114,574,860.60 = 18,876,258.16 : x
  2. Step 2: Convert to fraction form
    76,383,988.36/114,574,860.60 = 18,876,258.16/x
  3. Step 3: Cross multiply
    76,383,988.36x = 114,574,860.60 × 18,876,258.16
  4. Step 4: Simplify right side
    76,383,988.36x = 2,162,744,647,331,612.50
  5. Step 5: Solve for x
    x = 2,162,744,647,331,612.50/76,383,988.36
  6. Step 6: Final answer
    x = 28,314,109.98

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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.