Home / 68,441,200,371.69-94,436,368,125.62-39,494,830,232.72

Finding the Fourth Proportional to 68,441,200,371.69, 94,436,368,125.62 and 39,494,830,232.72

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Solution

The fourth proportional to 68,441,200,371.69, 94,436,368,125.62 and 39,494,830,232.72 is: 54,495,659,144.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,441,200,371.69 : 94,436,368,125.62 = 39,494,830,232.72 : x
  2. Step 2: Convert to fraction form
    68,441,200,371.69/94,436,368,125.62 = 39,494,830,232.72/x
  3. Step 3: Cross multiply
    68,441,200,371.69x = 94,436,368,125.62 × 39,494,830,232.72
  4. Step 4: Simplify right side
    68,441,200,371.69x = 3,729,748,326,915,342,598,144
  5. Step 5: Solve for x
    x = 3,729,748,326,915,342,598,144/68,441,200,371.69
  6. Step 6: Final answer
    x = 54,495,659,144.78

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1.5x scale

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.