Home / 76,033,212.40-113,825,869.80-71,604,002.80

Finding the Fourth Proportional to 76,033,212.40, 113,825,869.80 and 71,604,002.80

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Solution

The fourth proportional to 76,033,212.40, 113,825,869.80 and 71,604,002.80 is: 107,195,101.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,033,212.40 : 113,825,869.80 = 71,604,002.80 : x
  2. Step 2: Convert to fraction form
    76,033,212.40/113,825,869.80 = 71,604,002.80/x
  3. Step 3: Cross multiply
    76,033,212.40x = 113,825,869.80 × 71,604,002.80
  4. Step 4: Simplify right side
    76,033,212.40x = 8,150,387,899,871,635
  5. Step 5: Solve for x
    x = 8,150,387,899,871,635/76,033,212.40
  6. Step 6: Final answer
    x = 107,195,101.23

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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.