Home / 57,644,960.40-86,467,440.60-55,157,029.20

Finding the Fourth Proportional to 57,644,960.40, 86,467,440.60 and 55,157,029.20

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Solution

The fourth proportional to 57,644,960.40, 86,467,440.60 and 55,157,029.20 is: 82,735,543.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,644,960.40 : 86,467,440.60 = 55,157,029.20 : x
  2. Step 2: Convert to fraction form
    57,644,960.40/86,467,440.60 = 55,157,029.20/x
  3. Step 3: Cross multiply
    57,644,960.40x = 86,467,440.60 × 55,157,029.20
  4. Step 4: Simplify right side
    57,644,960.40x = 4,769,287,146,023,465
  5. Step 5: Solve for x
    x = 4,769,287,146,023,465/57,644,960.40
  6. Step 6: Final answer
    x = 82,735,543.80

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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.