Home / 133,640,556.80-200,460,835.20-65,616,108.80

Finding the Fourth Proportional to 133,640,556.80, 200,460,835.20 and 65,616,108.80

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Solution

The fourth proportional to 133,640,556.80, 200,460,835.20 and 65,616,108.80 is: 98,424,163.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,640,556.80 : 200,460,835.20 = 65,616,108.80 : x
  2. Step 2: Convert to fraction form
    133,640,556.80/200,460,835.20 = 65,616,108.80/x
  3. Step 3: Cross multiply
    133,640,556.80x = 200,460,835.20 × 65,616,108.80
  4. Step 4: Simplify right side
    133,640,556.80x = 13,153,459,972,622,068
  5. Step 5: Solve for x
    x = 13,153,459,972,622,068/133,640,556.80
  6. Step 6: Final answer
    x = 98,424,163.20

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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.