Home / 155,526,967.20-233,290,450.80-121,262,800.80

Finding the Fourth Proportional to 155,526,967.20, 233,290,450.80 and 121,262,800.80

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Solution

The fourth proportional to 155,526,967.20, 233,290,450.80 and 121,262,800.80 is: 181,894,201.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,526,967.20 : 233,290,450.80 = 121,262,800.80 : x
  2. Step 2: Convert to fraction form
    155,526,967.20/233,290,450.80 = 121,262,800.80/x
  3. Step 3: Cross multiply
    155,526,967.20x = 233,290,450.80 × 121,262,800.80
  4. Step 4: Simplify right side
    155,526,967.20x = 28,289,453,463,902,600
  5. Step 5: Solve for x
    x = 28,289,453,463,902,600/155,526,967.20
  6. Step 6: Final answer
    x = 181,894,201.20

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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.