Home / 72,171,297.20-108,288,049.80-41,905,031.60

Finding the Fourth Proportional to 72,171,297.20, 108,288,049.80 and 41,905,031.60

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Solution

The fourth proportional to 72,171,297.20, 108,288,049.80 and 41,905,031.60 is: 62,875,607.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,171,297.20 : 108,288,049.80 = 41,905,031.60 : x
  2. Step 2: Convert to fraction form
    72,171,297.20/108,288,049.80 = 41,905,031.60/x
  3. Step 3: Cross multiply
    72,171,297.20x = 108,288,049.80 × 41,905,031.60
  4. Step 4: Simplify right side
    72,171,297.20x = 4,537,814,148,771,374
  5. Step 5: Solve for x
    x = 4,537,814,148,771,374/72,171,297.20
  6. Step 6: Final answer
    x = 62,875,607.41

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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.