Home / 194,971,989.24-269,090,223.03-123,451,518.51

Finding the Fourth Proportional to 194,971,989.24, 269,090,223.03 and 123,451,518.51

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Solution

The fourth proportional to 194,971,989.24, 269,090,223.03 and 123,451,518.51 is: 170,381,380.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,971,989.24 : 269,090,223.03 = 123,451,518.51 : x
  2. Step 2: Convert to fraction form
    194,971,989.24/269,090,223.03 = 123,451,518.51/x
  3. Step 3: Cross multiply
    194,971,989.24x = 269,090,223.03 × 123,451,518.51
  4. Step 4: Simplify right side
    194,971,989.24x = 33,219,596,649,248,072
  5. Step 5: Solve for x
    x = 33,219,596,649,248,072/194,971,989.24
  6. Step 6: Final answer
    x = 170,381,380.31

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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.