Home / 47,757,148.20-71,470,385.10-28,601,652.60

Finding the Fourth Proportional to 47,757,148.20, 71,470,385.10 and 28,601,652.60

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Solution

The fourth proportional to 47,757,148.20, 71,470,385.10 and 28,601,652.60 is: 42,803,458.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,757,148.20 : 71,470,385.10 = 28,601,652.60 : x
  2. Step 2: Convert to fraction form
    47,757,148.20/71,470,385.10 = 28,601,652.60/x
  3. Step 3: Cross multiply
    47,757,148.20x = 71,470,385.10 × 28,601,652.60
  4. Step 4: Simplify right side
    47,757,148.20x = 2,044,171,125,818,416.25
  5. Step 5: Solve for x
    x = 2,044,171,125,818,416.25/47,757,148.20
  6. Step 6: Final answer
    x = 42,803,458.81

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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.