Home / 91,355,930,048.90-136,978,043,520.21-43,563,556,922.55

Finding the Fourth Proportional to 91,355,930,048.90, 136,978,043,520.21 and 43,563,556,922.55

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Solution

The fourth proportional to 91,355,930,048.90, 136,978,043,520.21 and 43,563,556,922.55 is: 65,318,702,276.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,355,930,048.90 : 136,978,043,520.21 = 43,563,556,922.55 : x
  2. Step 2: Convert to fraction form
    91,355,930,048.90/136,978,043,520.21 = 43,563,556,922.55/x
  3. Step 3: Cross multiply
    91,355,930,048.90x = 136,978,043,520.21 × 43,563,556,922.55
  4. Step 4: Simplify right side
    91,355,930,048.90x = 5,967,250,796,031,788,449,792
  5. Step 5: Solve for x
    x = 5,967,250,796,031,788,449,792/91,355,930,048.90
  6. Step 6: Final answer
    x = 65,318,702,276.22

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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.