Home / 66,856,333.84-100,306,934.82-25,917,108.10

Finding the Fourth Proportional to 66,856,333.84, 100,306,934.82 and 25,917,108.10

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Solution

The fourth proportional to 66,856,333.84, 100,306,934.82 and 25,917,108.10 is: 38,884,358.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,856,333.84 : 100,306,934.82 = 25,917,108.10 : x
  2. Step 2: Convert to fraction form
    66,856,333.84/100,306,934.82 = 25,917,108.10/x
  3. Step 3: Cross multiply
    66,856,333.84x = 100,306,934.82 × 25,917,108.10
  4. Step 4: Simplify right side
    66,856,333.84x = 2,599,665,672,658,826.50
  5. Step 5: Solve for x
    x = 2,599,665,672,658,826.50/66,856,333.84
  6. Step 6: Final answer
    x = 38,884,358.80

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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.