Home / 68,256,101.42-102,383,534.60-21,569,594.84

Finding the Fourth Proportional to 68,256,101.42, 102,383,534.60 and 21,569,594.84

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Solution

The fourth proportional to 68,256,101.42, 102,383,534.60 and 21,569,594.84 is: 32,354,197.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,256,101.42 : 102,383,534.60 = 21,569,594.84 : x
  2. Step 2: Convert to fraction form
    68,256,101.42/102,383,534.60 = 21,569,594.84/x
  3. Step 3: Cross multiply
    68,256,101.42x = 102,383,534.60 × 21,569,594.84
  4. Step 4: Simplify right side
    68,256,101.42x = 2,208,371,360,015,040.25
  5. Step 5: Solve for x
    x = 2,208,371,360,015,040.25/68,256,101.42
  6. Step 6: Final answer
    x = 32,354,197.12

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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.