Home / 215,319,349.20-322,594,111.80-131,035,285.20

Finding the Fourth Proportional to 215,319,349.20, 322,594,111.80 and 131,035,285.20

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Solution

The fourth proportional to 215,319,349.20, 322,594,111.80 and 131,035,285.20 is: 196,318,684.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,319,349.20 : 322,594,111.80 = 131,035,285.20 : x
  2. Step 2: Convert to fraction form
    215,319,349.20/322,594,111.80 = 131,035,285.20/x
  3. Step 3: Cross multiply
    215,319,349.20x = 322,594,111.80 × 131,035,285.20
  4. Step 4: Simplify right side
    215,319,349.20x = 42,271,211,443,553,688
  5. Step 5: Solve for x
    x = 42,271,211,443,553,688/215,319,349.20
  6. Step 6: Final answer
    x = 196,318,684.78

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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.