Home / 154,099,423,999.20-231,149,135,998.80-130,590,174,770.40

Finding the Fourth Proportional to 154,099,423,999.20, 231,149,135,998.80 and 130,590,174,770.40

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Solution

The fourth proportional to 154,099,423,999.20, 231,149,135,998.80 and 130,590,174,770.40 is: 195,885,262,155.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,099,423,999.20 : 231,149,135,998.80 = 130,590,174,770.40 : x
  2. Step 2: Convert to fraction form
    154,099,423,999.20/231,149,135,998.80 = 130,590,174,770.40/x
  3. Step 3: Cross multiply
    154,099,423,999.20x = 231,149,135,998.80 × 130,590,174,770.40
  4. Step 4: Simplify right side
    154,099,423,999.20x = 30,185,806,068,110,246,019,072
  5. Step 5: Solve for x
    x = 30,185,806,068,110,246,019,072/154,099,423,999.20
  6. Step 6: Final answer
    x = 195,885,262,155.60

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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.