Home / 376,057,102.48-518,975,009.55-208,793,371.96

Finding the Fourth Proportional to 376,057,102.48, 518,975,009.55 and 208,793,371.96

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Solution

The fourth proportional to 376,057,102.48, 518,975,009.55 and 208,793,371.96 is: 288,143,852.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,057,102.48 : 518,975,009.55 = 208,793,371.96 : x
  2. Step 2: Convert to fraction form
    376,057,102.48/518,975,009.55 = 208,793,371.96/x
  3. Step 3: Cross multiply
    376,057,102.48x = 518,975,009.55 × 208,793,371.96
  4. Step 4: Simplify right side
    376,057,102.48x = 108,358,542,206,917,712
  5. Step 5: Solve for x
    x = 108,358,542,206,917,712/376,057,102.48
  6. Step 6: Final answer
    x = 288,143,852.34

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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.