Home / 90,105,278,659.04-124,345,420,757.61-48,905,673,204.87

Finding the Fourth Proportional to 90,105,278,659.04, 124,345,420,757.61 and 48,905,673,204.87

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Solution

The fourth proportional to 90,105,278,659.04, 124,345,420,757.61 and 48,905,673,204.87 is: 67,489,902,951.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,105,278,659.04 : 124,345,420,757.61 = 48,905,673,204.87 : x
  2. Step 2: Convert to fraction form
    90,105,278,659.04/124,345,420,757.61 = 48,905,673,204.87/x
  3. Step 3: Cross multiply
    90,105,278,659.04x = 124,345,420,757.61 × 48,905,673,204.87
  4. Step 4: Simplify right side
    90,105,278,659.04x = 6,081,196,512,093,111,582,720
  5. Step 5: Solve for x
    x = 6,081,196,512,093,111,582,720/90,105,278,659.04
  6. Step 6: Final answer
    x = 67,489,902,951.24

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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.