Home / 250,416,270.05-345,573,179.69-138,905,956.41

Finding the Fourth Proportional to 250,416,270.05, 345,573,179.69 and 138,905,956.41

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Solution

The fourth proportional to 250,416,270.05, 345,573,179.69 and 138,905,956.41 is: 191,689,513.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,416,270.05 : 345,573,179.69 = 138,905,956.41 : x
  2. Step 2: Convert to fraction form
    250,416,270.05/345,573,179.69 = 138,905,956.41/x
  3. Step 3: Cross multiply
    250,416,270.05x = 345,573,179.69 × 138,905,956.41
  4. Step 4: Simplify right side
    250,416,270.05x = 48,002,173,032,061,840
  5. Step 5: Solve for x
    x = 48,002,173,032,061,840/250,416,270.05
  6. Step 6: Final answer
    x = 191,689,513.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.