Home / 147,526,291.20-221,289,436.80-79,501,843.20

Finding the Fourth Proportional to 147,526,291.20, 221,289,436.80 and 79,501,843.20

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Solution

The fourth proportional to 147,526,291.20, 221,289,436.80 and 79,501,843.20 is: 119,252,764.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,526,291.20 : 221,289,436.80 = 79,501,843.20 : x
  2. Step 2: Convert to fraction form
    147,526,291.20/221,289,436.80 = 79,501,843.20/x
  3. Step 3: Cross multiply
    147,526,291.20x = 221,289,436.80 × 79,501,843.20
  4. Step 4: Simplify right side
    147,526,291.20x = 17,592,918,106,289,912
  5. Step 5: Solve for x
    x = 17,592,918,106,289,912/147,526,291.20
  6. Step 6: Final answer
    x = 119,252,764.80

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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.