Home / 149,004,907.20-223,507,360.80-91,609,279.20

Finding the Fourth Proportional to 149,004,907.20, 223,507,360.80 and 91,609,279.20

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Solution

The fourth proportional to 149,004,907.20, 223,507,360.80 and 91,609,279.20 is: 137,413,918.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,004,907.20 : 223,507,360.80 = 91,609,279.20 : x
  2. Step 2: Convert to fraction form
    149,004,907.20/223,507,360.80 = 91,609,279.20/x
  3. Step 3: Cross multiply
    149,004,907.20x = 223,507,360.80 × 91,609,279.20
  4. Step 4: Simplify right side
    149,004,907.20x = 20,475,348,218,782,336
  5. Step 5: Solve for x
    x = 20,475,348,218,782,336/149,004,907.20
  6. Step 6: Final answer
    x = 137,413,918.80

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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.