Home / 76,032,410.40-113,824,666.80-71,603,200.80

Finding the Fourth Proportional to 76,032,410.40, 113,824,666.80 and 71,603,200.80

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Solution

The fourth proportional to 76,032,410.40, 113,824,666.80 and 71,603,200.80 is: 107,193,898.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,032,410.40 : 113,824,666.80 = 71,603,200.80 : x
  2. Step 2: Convert to fraction form
    76,032,410.40/113,824,666.80 = 71,603,200.80/x
  3. Step 3: Cross multiply
    76,032,410.40x = 113,824,666.80 × 71,603,200.80
  4. Step 4: Simplify right side
    76,032,410.40x = 8,150,210,472,873,493
  5. Step 5: Solve for x
    x = 8,150,210,472,873,493/76,032,410.40
  6. Step 6: Final answer
    x = 107,193,898.37

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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.