Home / 75,521,606.40-113,310,403.20-72,722,246.40

Finding the Fourth Proportional to 75,521,606.40, 113,310,403.20 and 72,722,246.40

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Solution

The fourth proportional to 75,521,606.40, 113,310,403.20 and 72,722,246.40 is: 109,110,325.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,521,606.40 : 113,310,403.20 = 72,722,246.40 : x
  2. Step 2: Convert to fraction form
    75,521,606.40/113,310,403.20 = 72,722,246.40/x
  3. Step 3: Cross multiply
    75,521,606.40x = 113,310,403.20 × 72,722,246.40
  4. Step 4: Simplify right side
    75,521,606.40x = 8,240,187,061,193,749
  5. Step 5: Solve for x
    x = 8,240,187,061,193,749/75,521,606.40
  6. Step 6: Final answer
    x = 109,110,325.56

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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.