Home / 57,487,940.70-86,231,911.05-52,197,150.30

Finding the Fourth Proportional to 57,487,940.70, 86,231,911.05 and 52,197,150.30

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Solution

The fourth proportional to 57,487,940.70, 86,231,911.05 and 52,197,150.30 is: 78,295,725.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,487,940.70 : 86,231,911.05 = 52,197,150.30 : x
  2. Step 2: Convert to fraction form
    57,487,940.70/86,231,911.05 = 52,197,150.30/x
  3. Step 3: Cross multiply
    57,487,940.70x = 86,231,911.05 × 52,197,150.30
  4. Step 4: Simplify right side
    57,487,940.70x = 4,501,060,021,733,080.50
  5. Step 5: Solve for x
    x = 4,501,060,021,733,080.50/57,487,940.70
  6. Step 6: Final answer
    x = 78,295,725.45

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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.