Home / 209,324,915.84-313,962,646.08-55,982,856.80

Finding the Fourth Proportional to 209,324,915.84, 313,962,646.08 and 55,982,856.80

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Solution

The fourth proportional to 209,324,915.84, 313,962,646.08 and 55,982,856.80 is: 83,967,671.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,324,915.84 : 313,962,646.08 = 55,982,856.80 : x
  2. Step 2: Convert to fraction form
    209,324,915.84/313,962,646.08 = 55,982,856.80/x
  3. Step 3: Cross multiply
    209,324,915.84x = 313,962,646.08 × 55,982,856.80
  4. Step 4: Simplify right side
    209,324,915.84x = 17,576,525,856,045,720
  5. Step 5: Solve for x
    x = 17,576,525,856,045,720/209,324,915.84
  6. Step 6: Final answer
    x = 83,967,671.91

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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.