Home / 154,146,078,712.08-212,704,336,231.01-85,560,382,584.25

Finding the Fourth Proportional to 154,146,078,712.08, 212,704,336,231.01 and 85,560,382,584.25

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Solution

The fourth proportional to 154,146,078,712.08, 212,704,336,231.01 and 85,560,382,584.25 is: 118,063,751,847.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,146,078,712.08 : 212,704,336,231.01 = 85,560,382,584.25 : x
  2. Step 2: Convert to fraction form
    154,146,078,712.08/212,704,336,231.01 = 85,560,382,584.25/x
  3. Step 3: Cross multiply
    154,146,078,712.08x = 212,704,336,231.01 × 85,560,382,584.25
  4. Step 4: Simplify right side
    154,146,078,712.08x = 18,199,064,385,254,164,791,296
  5. Step 5: Solve for x
    x = 18,199,064,385,254,164,791,296/154,146,078,712.08
  6. Step 6: Final answer
    x = 118,063,751,847.02

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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.