Home / 67,157,594.40-100,686,625.20-45,538,240.80

Finding the Fourth Proportional to 67,157,594.40, 100,686,625.20 and 45,538,240.80

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Solution

The fourth proportional to 67,157,594.40, 100,686,625.20 and 45,538,240.80 is: 68,273,615.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,157,594.40 : 100,686,625.20 = 45,538,240.80 : x
  2. Step 2: Convert to fraction form
    67,157,594.40/100,686,625.20 = 45,538,240.80/x
  3. Step 3: Cross multiply
    67,157,594.40x = 100,686,625.20 × 45,538,240.80
  4. Step 4: Simplify right side
    67,157,594.40x = 4,585,091,783,696,948
  5. Step 5: Solve for x
    x = 4,585,091,783,696,948/67,157,594.40
  6. Step 6: Final answer
    x = 68,273,615.59

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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.