Home / 221,299,272.20-331,948,908.30-135,205,830.20

Finding the Fourth Proportional to 221,299,272.20, 331,948,908.30 and 135,205,830.20

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Solution

The fourth proportional to 221,299,272.20, 331,948,908.30 and 135,205,830.20 is: 202,808,745.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,299,272.20 : 331,948,908.30 = 135,205,830.20 : x
  2. Step 2: Convert to fraction form
    221,299,272.20/331,948,908.30 = 135,205,830.20/x
  3. Step 3: Cross multiply
    221,299,272.20x = 331,948,908.30 × 135,205,830.20
  4. Step 4: Simplify right side
    221,299,272.20x = 44,881,427,730,685,168
  5. Step 5: Solve for x
    x = 44,881,427,730,685,168/221,299,272.20
  6. Step 6: Final answer
    x = 202,808,745.30

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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.