Home / 212,523,041,127.60-318,907,005,697.80-80,120,255,540.40

Finding the Fourth Proportional to 212,523,041,127.60, 318,907,005,697.80 and 80,120,255,540.40

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Solution

The fourth proportional to 212,523,041,127.60, 318,907,005,697.80 and 80,120,255,540.40 is: 120,226,544,164.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,523,041,127.60 : 318,907,005,697.80 = 80,120,255,540.40 : x
  2. Step 2: Convert to fraction form
    212,523,041,127.60/318,907,005,697.80 = 80,120,255,540.40/x
  3. Step 3: Cross multiply
    212,523,041,127.60x = 318,907,005,697.80 × 80,120,255,540.40
  4. Step 4: Simplify right side
    212,523,041,127.60x = 25,550,910,790,131,530,072,064
  5. Step 5: Solve for x
    x = 25,550,910,790,131,530,072,064/212,523,041,127.60
  6. Step 6: Final answer
    x = 120,226,544,164.64

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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.