Home / 255,512,412.80-383,324,606.40-82,959,862.40

Finding the Fourth Proportional to 255,512,412.80, 383,324,606.40 and 82,959,862.40

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Solution

The fourth proportional to 255,512,412.80, 383,324,606.40 and 82,959,862.40 is: 124,457,971.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,512,412.80 : 383,324,606.40 = 82,959,862.40 : x
  2. Step 2: Convert to fraction form
    255,512,412.80/383,324,606.40 = 82,959,862.40/x
  3. Step 3: Cross multiply
    255,512,412.80x = 383,324,606.40 × 82,959,862.40
  4. Step 4: Simplify right side
    255,512,412.80x = 31,800,556,601,478,160
  5. Step 5: Solve for x
    x = 31,800,556,601,478,160/255,512,412.80
  6. Step 6: Final answer
    x = 124,457,971.54

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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.