Home / 236,412,085.60-354,618,128.40-145,240,040.80

Finding the Fourth Proportional to 236,412,085.60, 354,618,128.40 and 145,240,040.80

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Solution

The fourth proportional to 236,412,085.60, 354,618,128.40 and 145,240,040.80 is: 217,860,061.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,412,085.60 : 354,618,128.40 = 145,240,040.80 : x
  2. Step 2: Convert to fraction form
    236,412,085.60/354,618,128.40 = 145,240,040.80/x
  3. Step 3: Cross multiply
    236,412,085.60x = 354,618,128.40 × 145,240,040.80
  4. Step 4: Simplify right side
    236,412,085.60x = 51,504,751,437,235,640
  5. Step 5: Solve for x
    x = 51,504,751,437,235,640/236,412,085.60
  6. Step 6: Final answer
    x = 217,860,061.20

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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.