Home / 215,319,419.70-322,594,217.55-131,035,355.70

Finding the Fourth Proportional to 215,319,419.70, 322,594,217.55 and 131,035,355.70

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Solution

The fourth proportional to 215,319,419.70, 322,594,217.55 and 131,035,355.70 is: 196,318,790.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,319,419.70 : 322,594,217.55 = 131,035,355.70 : x
  2. Step 2: Convert to fraction form
    215,319,419.70/322,594,217.55 = 131,035,355.70/x
  3. Step 3: Cross multiply
    215,319,419.70x = 322,594,217.55 × 131,035,355.70
  4. Step 4: Simplify right side
    215,319,419.70x = 42,271,248,043,427,432
  5. Step 5: Solve for x
    x = 42,271,248,043,427,432/215,319,419.70
  6. Step 6: Final answer
    x = 196,318,790.48

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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.