Home / 152,591,999.70-228,887,999.55-135,963,801.30

Finding the Fourth Proportional to 152,591,999.70, 228,887,999.55 and 135,963,801.30

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Solution

The fourth proportional to 152,591,999.70, 228,887,999.55 and 135,963,801.30 is: 203,945,701.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,591,999.70 : 228,887,999.55 = 135,963,801.30 : x
  2. Step 2: Convert to fraction form
    152,591,999.70/228,887,999.55 = 135,963,801.30/x
  3. Step 3: Cross multiply
    152,591,999.70x = 228,887,999.55 × 135,963,801.30
  4. Step 4: Simplify right side
    152,591,999.70x = 31,120,482,490,770,692
  5. Step 5: Solve for x
    x = 31,120,482,490,770,692/152,591,999.70
  6. Step 6: Final answer
    x = 203,945,701.95

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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.