Home / 201,611,013.85-302,416,520.78-104,755,891.60

Finding the Fourth Proportional to 201,611,013.85, 302,416,520.78 and 104,755,891.60

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Solution

The fourth proportional to 201,611,013.85, 302,416,520.78 and 104,755,891.60 is: 157,133,837.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,611,013.85 : 302,416,520.78 = 104,755,891.60 : x
  2. Step 2: Convert to fraction form
    201,611,013.85/302,416,520.78 = 104,755,891.60/x
  3. Step 3: Cross multiply
    201,611,013.85x = 302,416,520.78 × 104,755,891.60
  4. Step 4: Simplify right side
    201,611,013.85x = 31,679,912,268,878,824
  5. Step 5: Solve for x
    x = 31,679,912,268,878,824/201,611,013.85
  6. Step 6: Final answer
    x = 157,133,837.40

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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.