Home / 128,036,865,620.72-192,037,863,841.32-33,701,913,691.76

Finding the Fourth Proportional to 128,036,865,620.72, 192,037,863,841.32 and 33,701,913,691.76

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Solution

The fourth proportional to 128,036,865,620.72, 192,037,863,841.32 and 33,701,913,691.76 is: 50,548,281,398.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,036,865,620.72 : 192,037,863,841.32 = 33,701,913,691.76 : x
  2. Step 2: Convert to fraction form
    128,036,865,620.72/192,037,863,841.32 = 33,701,913,691.76/x
  3. Step 3: Cross multiply
    128,036,865,620.72x = 192,037,863,841.32 × 33,701,913,691.76
  4. Step 4: Simplify right side
    128,036,865,620.72x = 6,472,043,512,730,125,074,432
  5. Step 5: Solve for x
    x = 6,472,043,512,730,125,074,432/128,036,865,620.72
  6. Step 6: Final answer
    x = 50,548,281,398.13

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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.