Home / 70,285,408.26-105,496,120.17-33,919,398.78

Finding the Fourth Proportional to 70,285,408.26, 105,496,120.17 and 33,919,398.78

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Solution

The fourth proportional to 70,285,408.26, 105,496,120.17 and 33,919,398.78 is: 50,911,918.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,285,408.26 : 105,496,120.17 = 33,919,398.78 : x
  2. Step 2: Convert to fraction form
    70,285,408.26/105,496,120.17 = 33,919,398.78/x
  3. Step 3: Cross multiply
    70,285,408.26x = 105,496,120.17 × 33,919,398.78
  4. Step 4: Simplify right side
    70,285,408.26x = 3,578,364,969,789,031.50
  5. Step 5: Solve for x
    x = 3,578,364,969,789,031.50/70,285,408.26
  6. Step 6: Final answer
    x = 50,911,918.40

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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.