Home / 92,945,372.27-128,263,904.79-51,128,537.45

Finding the Fourth Proportional to 92,945,372.27, 128,263,904.79 and 51,128,537.45

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Solution

The fourth proportional to 92,945,372.27, 128,263,904.79 and 51,128,537.45 is: 70,556,991.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,945,372.27 : 128,263,904.79 = 51,128,537.45 : x
  2. Step 2: Convert to fraction form
    92,945,372.27/128,263,904.79 = 51,128,537.45/x
  3. Step 3: Cross multiply
    92,945,372.27x = 128,263,904.79 × 51,128,537.45
  4. Step 4: Simplify right side
    92,945,372.27x = 6,557,945,858,897,430
  5. Step 5: Solve for x
    x = 6,557,945,858,897,430/92,945,372.27
  6. Step 6: Final answer
    x = 70,556,991.69

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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.