Home / 146,962,856.42-202,805,009.24-79,978,967.22

Finding the Fourth Proportional to 146,962,856.42, 202,805,009.24 and 79,978,967.22

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Solution

The fourth proportional to 146,962,856.42, 202,805,009.24 and 79,978,967.22 is: 110,368,943.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,962,856.42 : 202,805,009.24 = 79,978,967.22 : x
  2. Step 2: Convert to fraction form
    146,962,856.42/202,805,009.24 = 79,978,967.22/x
  3. Step 3: Cross multiply
    146,962,856.42x = 202,805,009.24 × 79,978,967.22
  4. Step 4: Simplify right side
    146,962,856.42x = 16,220,135,186,057,758
  5. Step 5: Solve for x
    x = 16,220,135,186,057,758/146,962,856.42
  6. Step 6: Final answer
    x = 110,368,943.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.