Home / 98,720,908,771.72-148,034,682,930.16-38,243,512,280.74

Finding the Fourth Proportional to 98,720,908,771.72, 148,034,682,930.16 and 38,243,512,280.74

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Solution

The fourth proportional to 98,720,908,771.72, 148,034,682,930.16 and 38,243,512,280.74 is: 57,347,184,958.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,720,908,771.72 : 148,034,682,930.16 = 38,243,512,280.74 : x
  2. Step 2: Convert to fraction form
    98,720,908,771.72/148,034,682,930.16 = 38,243,512,280.74/x
  3. Step 3: Cross multiply
    98,720,908,771.72x = 148,034,682,930.16 × 38,243,512,280.74
  4. Step 4: Simplify right side
    98,720,908,771.72x = 5,661,366,214,615,025,844,224
  5. Step 5: Solve for x
    x = 5,661,366,214,615,025,844,224/98,720,908,771.72
  6. Step 6: Final answer
    x = 57,347,184,958.62

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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.