Home / 80,120,465.10-120,180,697.65-52,379,244.90

Finding the Fourth Proportional to 80,120,465.10, 120,180,697.65 and 52,379,244.90

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Solution

The fourth proportional to 80,120,465.10, 120,180,697.65 and 52,379,244.90 is: 78,568,867.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,120,465.10 : 120,180,697.65 = 52,379,244.90 : x
  2. Step 2: Convert to fraction form
    80,120,465.10/120,180,697.65 = 52,379,244.90/x
  3. Step 3: Cross multiply
    80,120,465.10x = 120,180,697.65 × 52,379,244.90
  4. Step 4: Simplify right side
    80,120,465.10x = 6,294,974,194,462,205
  5. Step 5: Solve for x
    x = 6,294,974,194,462,205/80,120,465.10
  6. Step 6: Final answer
    x = 78,568,867.35

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1.5x scale

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.