Home / 70,285,366.80-105,496,058-33,919,357.36

Finding the Fourth Proportional to 70,285,366.80, 105,496,058 and 33,919,357.36

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Solution

The fourth proportional to 70,285,366.80, 105,496,058 and 33,919,357.36 is: 50,911,856.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,285,366.80 : 105,496,058 = 33,919,357.36 : x
  2. Step 2: Convert to fraction form
    70,285,366.80/105,496,058 = 33,919,357.36/x
  3. Step 3: Cross multiply
    70,285,366.80x = 105,496,058 × 33,919,357.36
  4. Step 4: Simplify right side
    70,285,366.80x = 3,578,358,491,373,287
  5. Step 5: Solve for x
    x = 3,578,358,491,373,287/70,285,366.80
  6. Step 6: Final answer
    x = 50,911,856.26

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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.