Home / 193,481,982.32-290,315,899.08-120,680,076.56

Finding the Fourth Proportional to 193,481,982.32, 290,315,899.08 and 120,680,076.56

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Solution

The fourth proportional to 193,481,982.32, 290,315,899.08 and 120,680,076.56 is: 181,078,075.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,481,982.32 : 290,315,899.08 = 120,680,076.56 : x
  2. Step 2: Convert to fraction form
    193,481,982.32/290,315,899.08 = 120,680,076.56/x
  3. Step 3: Cross multiply
    193,481,982.32x = 290,315,899.08 × 120,680,076.56
  4. Step 4: Simplify right side
    193,481,982.32x = 35,035,344,927,559,632
  5. Step 5: Solve for x
    x = 35,035,344,927,559,632/193,481,982.32
  6. Step 6: Final answer
    x = 181,078,075.11

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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.