Home / 180,120,130.86-248,565,662.20-97,613,915.88

Finding the Fourth Proportional to 180,120,130.86, 248,565,662.20 and 97,613,915.88

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Solution

The fourth proportional to 180,120,130.86, 248,565,662.20 and 97,613,915.88 is: 134,707,139.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,120,130.86 : 248,565,662.20 = 97,613,915.88 : x
  2. Step 2: Convert to fraction form
    180,120,130.86/248,565,662.20 = 97,613,915.88/x
  3. Step 3: Cross multiply
    180,120,130.86x = 248,565,662.20 × 97,613,915.88
  4. Step 4: Simplify right side
    180,120,130.86x = 24,263,467,640,647,292
  5. Step 5: Solve for x
    x = 24,263,467,640,647,292/180,120,130.86
  6. Step 6: Final answer
    x = 134,707,139.76

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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.