Home / 108,491,698,082.66-149,726,929,796.97-65,089,616,311.74

Finding the Fourth Proportional to 108,491,698,082.66, 149,726,929,796.97 and 65,089,616,311.74

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Solution

The fourth proportional to 108,491,698,082.66, 149,726,929,796.97 and 65,089,616,311.74 is: 89,828,701,958.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,491,698,082.66 : 149,726,929,796.97 = 65,089,616,311.74 : x
  2. Step 2: Convert to fraction form
    108,491,698,082.66/149,726,929,796.97 = 65,089,616,311.74/x
  3. Step 3: Cross multiply
    108,491,698,082.66x = 149,726,929,796.97 × 65,089,616,311.74
  4. Step 4: Simplify right side
    108,491,698,082.66x = 9,745,668,412,018,859,704,320
  5. Step 5: Solve for x
    x = 9,745,668,412,018,859,704,320/108,491,698,082.66
  6. Step 6: Final answer
    x = 89,828,701,958.32

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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.