Home / 218,501,745.08-301,528,890.78-119,380,364.60

Finding the Fourth Proportional to 218,501,745.08, 301,528,890.78 and 119,380,364.60

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Solution

The fourth proportional to 218,501,745.08, 301,528,890.78 and 119,380,364.60 is: 164,742,981.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,501,745.08 : 301,528,890.78 = 119,380,364.60 : x
  2. Step 2: Convert to fraction form
    218,501,745.08/301,528,890.78 = 119,380,364.60/x
  3. Step 3: Cross multiply
    218,501,745.08x = 301,528,890.78 × 119,380,364.60
  4. Step 4: Simplify right side
    218,501,745.08x = 35,996,628,918,749,972
  5. Step 5: Solve for x
    x = 35,996,628,918,749,972/218,501,745.08
  6. Step 6: Final answer
    x = 164,742,981.37

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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.