Home / 342,292,945,074.84-513,538,790,361.10-137,980,692,142.36

Finding the Fourth Proportional to 342,292,945,074.84, 513,538,790,361.10 and 137,980,692,142.36

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Solution

The fourth proportional to 342,292,945,074.84, 513,538,790,361.10 and 137,980,692,142.36 is: 207,011,096,067.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,292,945,074.84 : 513,538,790,361.10 = 137,980,692,142.36 : x
  2. Step 2: Convert to fraction form
    342,292,945,074.84/513,538,790,361.10 = 137,980,692,142.36/x
  3. Step 3: Cross multiply
    342,292,945,074.84x = 513,538,790,361.10 × 137,980,692,142.36
  4. Step 4: Simplify right side
    342,292,945,074.84x = 70,858,437,735,974,879,363,072
  5. Step 5: Solve for x
    x = 70,858,437,735,974,879,363,072/342,292,945,074.84
  6. Step 6: Final answer
    x = 207,011,096,067.09

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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.