Home / 74,311,100,150.56-111,421,032,078.01-28,878,760,639.33

Finding the Fourth Proportional to 74,311,100,150.56, 111,421,032,078.01 and 28,878,760,639.33

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Solution

The fourth proportional to 74,311,100,150.56, 111,421,032,078.01 and 28,878,760,639.33 is: 43,300,412,846.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,311,100,150.56 : 111,421,032,078.01 = 28,878,760,639.33 : x
  2. Step 2: Convert to fraction form
    74,311,100,150.56/111,421,032,078.01 = 28,878,760,639.33/x
  3. Step 3: Cross multiply
    74,311,100,150.56x = 111,421,032,078.01 × 28,878,760,639.33
  4. Step 4: Simplify right side
    74,311,100,150.56x = 3,217,701,315,567,625,961,472
  5. Step 5: Solve for x
    x = 3,217,701,315,567,625,961,472/74,311,100,150.56
  6. Step 6: Final answer
    x = 43,300,412,846.11

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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.