Home / 218,307,419.10-301,262,678.63-119,188,163.42

Finding the Fourth Proportional to 218,307,419.10, 301,262,678.63 and 119,188,163.42

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Solution

The fourth proportional to 218,307,419.10, 301,262,678.63 and 119,188,163.42 is: 164,478,813.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,307,419.10 : 301,262,678.63 = 119,188,163.42 : x
  2. Step 2: Convert to fraction form
    218,307,419.10/301,262,678.63 = 119,188,163.42/x
  3. Step 3: Cross multiply
    218,307,419.10x = 301,262,678.63 × 119,188,163.42
  4. Step 4: Simplify right side
    218,307,419.10x = 35,906,945,372,373,824
  5. Step 5: Solve for x
    x = 35,906,945,372,373,824/218,307,419.10
  6. Step 6: Final answer
    x = 164,478,813.96

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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.