Home / 135,658,071.80-203,487,107.70-84,002,006.60

Finding the Fourth Proportional to 135,658,071.80, 203,487,107.70 and 84,002,006.60

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Solution

The fourth proportional to 135,658,071.80, 203,487,107.70 and 84,002,006.60 is: 126,003,009.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,658,071.80 : 203,487,107.70 = 84,002,006.60 : x
  2. Step 2: Convert to fraction form
    135,658,071.80/203,487,107.70 = 84,002,006.60/x
  3. Step 3: Cross multiply
    135,658,071.80x = 203,487,107.70 × 84,002,006.60
  4. Step 4: Simplify right side
    135,658,071.80x = 17,093,325,364,030,308
  5. Step 5: Solve for x
    x = 17,093,325,364,030,308/135,658,071.80
  6. Step 6: Final answer
    x = 126,003,009.90

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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.