Home / 103,899,991.83-155,874,241.57-30,125,314.95

Finding the Fourth Proportional to 103,899,991.83, 155,874,241.57 and 30,125,314.95

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Solution

The fourth proportional to 103,899,991.83, 155,874,241.57 and 30,125,314.95 is: 45,195,004.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,899,991.83 : 155,874,241.57 = 30,125,314.95 : x
  2. Step 2: Convert to fraction form
    103,899,991.83/155,874,241.57 = 30,125,314.95/x
  3. Step 3: Cross multiply
    103,899,991.83x = 155,874,241.57 × 30,125,314.95
  4. Step 4: Simplify right side
    103,899,991.83x = 4,695,760,619,888,632
  5. Step 5: Solve for x
    x = 4,695,760,619,888,632/103,899,991.83
  6. Step 6: Final answer
    x = 45,195,004.71

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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.