Home / 139,401,751.80-209,102,627.70-124,335,399.45

Finding the Fourth Proportional to 139,401,751.80, 209,102,627.70 and 124,335,399.45

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Solution

The fourth proportional to 139,401,751.80, 209,102,627.70 and 124,335,399.45 is: 186,503,099.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,401,751.80 : 209,102,627.70 = 124,335,399.45 : x
  2. Step 2: Convert to fraction form
    139,401,751.80/209,102,627.70 = 124,335,399.45/x
  3. Step 3: Cross multiply
    139,401,751.80x = 209,102,627.70 × 124,335,399.45
  4. Step 4: Simplify right side
    139,401,751.80x = 25,998,858,741,124,132
  5. Step 5: Solve for x
    x = 25,998,858,741,124,132/139,401,751.80
  6. Step 6: Final answer
    x = 186,503,099.18

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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.