Home / 173,121,288,186.96-259,500,689,248.14-72,449,834,971.86

Finding the Fourth Proportional to 173,121,288,186.96, 259,500,689,248.14 and 72,449,834,971.86

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Solution

The fourth proportional to 173,121,288,186.96, 259,500,689,248.14 and 72,449,834,971.86 is: 108,598,903,739.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,121,288,186.96 : 259,500,689,248.14 = 72,449,834,971.86 : x
  2. Step 2: Convert to fraction form
    173,121,288,186.96/259,500,689,248.14 = 72,449,834,971.86/x
  3. Step 3: Cross multiply
    173,121,288,186.96x = 259,500,689,248.14 × 72,449,834,971.86
  4. Step 4: Simplify right side
    173,121,288,186.96x = 18,800,782,111,111,668,301,824
  5. Step 5: Solve for x
    x = 18,800,782,111,111,668,301,824/173,121,288,186.96
  6. Step 6: Final answer
    x = 108,598,903,739.72

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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.