Home / 98,720,908,766.78-148,034,682,922.77-38,243,512,275.80

Finding the Fourth Proportional to 98,720,908,766.78, 148,034,682,922.77 and 38,243,512,275.80

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Solution

The fourth proportional to 98,720,908,766.78, 148,034,682,922.77 and 38,243,512,275.80 is: 57,347,184,951.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,720,908,766.78 : 148,034,682,922.77 = 38,243,512,275.80 : x
  2. Step 2: Convert to fraction form
    98,720,908,766.78/148,034,682,922.77 = 38,243,512,275.80/x
  3. Step 3: Cross multiply
    98,720,908,766.78x = 148,034,682,922.77 × 38,243,512,275.80
  4. Step 4: Simplify right side
    98,720,908,766.78x = 5,661,366,213,601,114,718,208
  5. Step 5: Solve for x
    x = 5,661,366,213,601,114,718,208/98,720,908,766.78
  6. Step 6: Final answer
    x = 57,347,184,951.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.