Home / 154,146,078,711.58-212,704,336,230.32-85,560,382,583.75

Finding the Fourth Proportional to 154,146,078,711.58, 212,704,336,230.32 and 85,560,382,583.75

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Solution

The fourth proportional to 154,146,078,711.58, 212,704,336,230.32 and 85,560,382,583.75 is: 118,063,751,846.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,146,078,711.58 : 212,704,336,230.32 = 85,560,382,583.75 : x
  2. Step 2: Convert to fraction form
    154,146,078,711.58/212,704,336,230.32 = 85,560,382,583.75/x
  3. Step 3: Cross multiply
    154,146,078,711.58x = 212,704,336,230.32 × 85,560,382,583.75
  4. Step 4: Simplify right side
    154,146,078,711.58x = 18,199,064,385,088,777,093,120
  5. Step 5: Solve for x
    x = 18,199,064,385,088,777,093,120/154,146,078,711.58
  6. Step 6: Final answer
    x = 118,063,751,846.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.