Home / 70,124,861.87-96,770,453.06-39,185,285.39

Finding the Fourth Proportional to 70,124,861.87, 96,770,453.06 and 39,185,285.39

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Solution

The fourth proportional to 70,124,861.87, 96,770,453.06 and 39,185,285.39 is: 54,074,656.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,124,861.87 : 96,770,453.06 = 39,185,285.39 : x
  2. Step 2: Convert to fraction form
    70,124,861.87/96,770,453.06 = 39,185,285.39/x
  3. Step 3: Cross multiply
    70,124,861.87x = 96,770,453.06 × 39,185,285.39
  4. Step 4: Simplify right side
    70,124,861.87x = 3,791,977,820,279,772.50
  5. Step 5: Solve for x
    x = 3,791,977,820,279,772.50/70,124,861.87
  6. Step 6: Final answer
    x = 54,074,656.54

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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.