Home / 90,105,278,658.54-124,345,420,756.92-48,905,673,204.37

Finding the Fourth Proportional to 90,105,278,658.54, 124,345,420,756.92 and 48,905,673,204.37

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Solution

The fourth proportional to 90,105,278,658.54, 124,345,420,756.92 and 48,905,673,204.37 is: 67,489,902,950.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,105,278,658.54 : 124,345,420,756.92 = 48,905,673,204.37 : x
  2. Step 2: Convert to fraction form
    90,105,278,658.54/124,345,420,756.92 = 48,905,673,204.37/x
  3. Step 3: Cross multiply
    90,105,278,658.54x = 124,345,420,756.92 × 48,905,673,204.37
  4. Step 4: Simplify right side
    90,105,278,658.54x = 6,081,196,511,997,193,093,120
  5. Step 5: Solve for x
    x = 6,081,196,511,997,193,093,120/90,105,278,658.54
  6. Step 6: Final answer
    x = 67,489,902,950.55

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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.