Home / 315,603,300.87-435,494,829.93-174,455,453.25

Finding the Fourth Proportional to 315,603,300.87, 435,494,829.93 and 174,455,453.25

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Solution

The fourth proportional to 315,603,300.87, 435,494,829.93 and 174,455,453.25 is: 240,727,672.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,603,300.87 : 435,494,829.93 = 174,455,453.25 : x
  2. Step 2: Convert to fraction form
    315,603,300.87/435,494,829.93 = 174,455,453.25/x
  3. Step 3: Cross multiply
    315,603,300.87x = 435,494,829.93 × 174,455,453.25
  4. Step 4: Simplify right side
    315,603,300.87x = 75,974,447,943,469,824
  5. Step 5: Solve for x
    x = 75,974,447,943,469,824/315,603,300.87
  6. Step 6: Final answer
    x = 240,727,672.16

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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.