Home / 299,656,875.30-449,515,250.55-81,310,683.30

Finding the Fourth Proportional to 299,656,875.30, 449,515,250.55 and 81,310,683.30

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Solution

The fourth proportional to 299,656,875.30, 449,515,250.55 and 81,310,683.30 is: 121,974,148.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,656,875.30 : 449,515,250.55 = 81,310,683.30 : x
  2. Step 2: Convert to fraction form
    299,656,875.30/449,515,250.55 = 81,310,683.30/x
  3. Step 3: Cross multiply
    299,656,875.30x = 449,515,250.55 × 81,310,683.30
  4. Step 4: Simplify right side
    299,656,875.30x = 36,550,392,175,991,200
  5. Step 5: Solve for x
    x = 36,550,392,175,991,200/299,656,875.30
  6. Step 6: Final answer
    x = 121,974,148.40

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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.