Home / 96,770,138.40-145,167,649.20-48,272,781.60

Finding the Fourth Proportional to 96,770,138.40, 145,167,649.20 and 48,272,781.60

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Solution

The fourth proportional to 96,770,138.40, 145,167,649.20 and 48,272,781.60 is: 72,415,378.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,770,138.40 : 145,167,649.20 = 48,272,781.60 : x
  2. Step 2: Convert to fraction form
    96,770,138.40/145,167,649.20 = 48,272,781.60/x
  3. Step 3: Cross multiply
    96,770,138.40x = 145,167,649.20 × 48,272,781.60
  4. Step 4: Simplify right side
    96,770,138.40x = 7,007,646,225,217,014
  5. Step 5: Solve for x
    x = 7,007,646,225,217,014/96,770,138.40
  6. Step 6: Final answer
    x = 72,415,378.76

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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.