Home / 155,526,961.20-233,290,441.80-121,262,794.80

Finding the Fourth Proportional to 155,526,961.20, 233,290,441.80 and 121,262,794.80

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Solution

The fourth proportional to 155,526,961.20, 233,290,441.80 and 121,262,794.80 is: 181,894,192.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,526,961.20 : 233,290,441.80 = 121,262,794.80 : x
  2. Step 2: Convert to fraction form
    155,526,961.20/233,290,441.80 = 121,262,794.80/x
  3. Step 3: Cross multiply
    155,526,961.20x = 233,290,441.80 × 121,262,794.80
  4. Step 4: Simplify right side
    155,526,961.20x = 28,289,450,972,794,744
  5. Step 5: Solve for x
    x = 28,289,450,972,794,744/155,526,961.20
  6. Step 6: Final answer
    x = 181,894,192.20

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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.