Home / 128,902,333.07-193,351,605.10-31,858,049

Finding the Fourth Proportional to 128,902,333.07, 193,351,605.10 and 31,858,049

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Solution

The fourth proportional to 128,902,333.07, 193,351,605.10 and 31,858,049 is: 47,786,605.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,902,333.07 : 193,351,605.10 = 31,858,049 : x
  2. Step 2: Convert to fraction form
    128,902,333.07/193,351,605.10 = 31,858,049/x
  3. Step 3: Cross multiply
    128,902,333.07x = 193,351,605.10 × 31,858,049
  4. Step 4: Simplify right side
    128,902,333.07x = 6,159,804,909,504,450
  5. Step 5: Solve for x
    x = 6,159,804,909,504,450/128,902,333.07
  6. Step 6: Final answer
    x = 47,786,605.28

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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.