Home / 202,133,616.51-278,945,231.37-109,314,124.37

Finding the Fourth Proportional to 202,133,616.51, 278,945,231.37 and 109,314,124.37

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Solution

The fourth proportional to 202,133,616.51, 278,945,231.37 and 109,314,124.37 is: 150,853,946.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,133,616.51 : 278,945,231.37 = 109,314,124.37 : x
  2. Step 2: Convert to fraction form
    202,133,616.51/278,945,231.37 = 109,314,124.37/x
  3. Step 3: Cross multiply
    202,133,616.51x = 278,945,231.37 × 109,314,124.37
  4. Step 4: Simplify right side
    202,133,616.51x = 30,492,653,714,398,608
  5. Step 5: Solve for x
    x = 30,492,653,714,398,608/202,133,616.51
  6. Step 6: Final answer
    x = 150,853,946.22

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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.