Home / 139,360,026.20-209,040,039.30-48,483,615.20

Finding the Fourth Proportional to 139,360,026.20, 209,040,039.30 and 48,483,615.20

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Solution

The fourth proportional to 139,360,026.20, 209,040,039.30 and 48,483,615.20 is: 72,725,422.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,360,026.20 : 209,040,039.30 = 48,483,615.20 : x
  2. Step 2: Convert to fraction form
    139,360,026.20/209,040,039.30 = 48,483,615.20/x
  3. Step 3: Cross multiply
    139,360,026.20x = 209,040,039.30 × 48,483,615.20
  4. Step 4: Simplify right side
    139,360,026.20x = 10,135,016,826,814,078
  5. Step 5: Solve for x
    x = 10,135,016,826,814,078/139,360,026.20
  6. Step 6: Final answer
    x = 72,725,422.80

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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.