Home / 90,073,976,580.11-124,305,671,481.51-49,430,342,537.10

Finding the Fourth Proportional to 90,073,976,580.11, 124,305,671,481.51 and 49,430,342,537.10

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Solution

The fourth proportional to 90,073,976,580.11, 124,305,671,481.51 and 49,430,342,537.10 is: 68,215,839,401.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,073,976,580.11 : 124,305,671,481.51 = 49,430,342,537.10 : x
  2. Step 2: Convert to fraction form
    90,073,976,580.11/124,305,671,481.51 = 49,430,342,537.10/x
  3. Step 3: Cross multiply
    90,073,976,580.11x = 124,305,671,481.51 × 49,430,342,537.10
  4. Step 4: Simplify right side
    90,073,976,580.11x = 6,144,471,920,634,640,728,064
  5. Step 5: Solve for x
    x = 6,144,471,920,634,640,728,064/90,073,976,580.11
  6. Step 6: Final answer
    x = 68,215,839,401.41

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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.