Home / 157,448,101.44-217,321,596.45-91,389,881.67

Finding the Fourth Proportional to 157,448,101.44, 217,321,596.45 and 91,389,881.67

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Solution

The fourth proportional to 157,448,101.44, 217,321,596.45 and 91,389,881.67 is: 126,143,121.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,448,101.44 : 217,321,596.45 = 91,389,881.67 : x
  2. Step 2: Convert to fraction form
    157,448,101.44/217,321,596.45 = 91,389,881.67/x
  3. Step 3: Cross multiply
    157,448,101.44x = 217,321,596.45 × 91,389,881.67
  4. Step 4: Simplify right side
    157,448,101.44x = 19,860,994,983,900,992
  5. Step 5: Solve for x
    x = 19,860,994,983,900,992/157,448,101.44
  6. Step 6: Final answer
    x = 126,143,121.46

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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.