Home / 92,945,370.77-128,263,902.73-51,128,535.95

Finding the Fourth Proportional to 92,945,370.77, 128,263,902.73 and 51,128,535.95

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Solution

The fourth proportional to 92,945,370.77, 128,263,902.73 and 51,128,535.95 is: 70,556,989.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,945,370.77 : 128,263,902.73 = 51,128,535.95 : x
  2. Step 2: Convert to fraction form
    92,945,370.77/128,263,902.73 = 51,128,535.95/x
  3. Step 3: Cross multiply
    92,945,370.77x = 128,263,902.73 × 51,128,535.95
  4. Step 4: Simplify right side
    92,945,370.77x = 6,557,945,561,048,968
  5. Step 5: Solve for x
    x = 6,557,945,561,048,968/92,945,370.77
  6. Step 6: Final answer
    x = 70,556,989.63

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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.