Home / 76,032,406.40-113,824,660.80-71,603,196.80

Finding the Fourth Proportional to 76,032,406.40, 113,824,660.80 and 71,603,196.80

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Solution

The fourth proportional to 76,032,406.40, 113,824,660.80 and 71,603,196.80 is: 107,193,892.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,032,406.40 : 113,824,660.80 = 71,603,196.80 : x
  2. Step 2: Convert to fraction form
    76,032,406.40/113,824,660.80 = 71,603,196.80/x
  3. Step 3: Cross multiply
    76,032,406.40x = 113,824,660.80 × 71,603,196.80
  4. Step 4: Simplify right side
    76,032,406.40x = 8,150,209,587,955,645
  5. Step 5: Solve for x
    x = 8,150,209,587,955,645/76,032,406.40
  6. Step 6: Final answer
    x = 107,193,892.37

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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.