Home / 71,747,650,940.04-99,009,840,021.30-39,632,321,890.44

Finding the Fourth Proportional to 71,747,650,940.04, 99,009,840,021.30 and 39,632,321,890.44

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Solution

The fourth proportional to 71,747,650,940.04, 99,009,840,021.30 and 39,632,321,890.44 is: 54,691,544,582.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,747,650,940.04 : 99,009,840,021.30 = 39,632,321,890.44 : x
  2. Step 2: Convert to fraction form
    71,747,650,940.04/99,009,840,021.30 = 39,632,321,890.44/x
  3. Step 3: Cross multiply
    71,747,650,940.04x = 99,009,840,021.30 × 39,632,321,890.44
  4. Step 4: Simplify right side
    71,747,650,940.04x = 3,923,989,850,045,130,735,616
  5. Step 5: Solve for x
    x = 3,923,989,850,045,130,735,616/71,747,650,940.04
  6. Step 6: Final answer
    x = 54,691,544,582.06

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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.