Home / 71,660,374,198.30-98,893,691,553.11-39,109,370,158.50

Finding the Fourth Proportional to 71,660,374,198.30, 98,893,691,553.11 and 39,109,370,158.50

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Solution

The fourth proportional to 71,660,374,198.30, 98,893,691,553.11 and 39,109,370,158.50 is: 53,972,227,085.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,660,374,198.30 : 98,893,691,553.11 = 39,109,370,158.50 : x
  2. Step 2: Convert to fraction form
    71,660,374,198.30/98,893,691,553.11 = 39,109,370,158.50/x
  3. Step 3: Cross multiply
    71,660,374,198.30x = 98,893,691,553.11 × 39,109,370,158.50
  4. Step 4: Simplify right side
    71,660,374,198.30x = 3,867,669,989,291,301,273,600
  5. Step 5: Solve for x
    x = 3,867,669,989,291,301,273,600/71,660,374,198.30
  6. Step 6: Final answer
    x = 53,972,227,085.90

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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.