Home / 376,057,100.98-518,975,007.48-208,793,370.46

Finding the Fourth Proportional to 376,057,100.98, 518,975,007.48 and 208,793,370.46

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Solution

The fourth proportional to 376,057,100.98, 518,975,007.48 and 208,793,370.46 is: 288,143,850.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,057,100.98 : 518,975,007.48 = 208,793,370.46 : x
  2. Step 2: Convert to fraction form
    376,057,100.98/518,975,007.48 = 208,793,370.46/x
  3. Step 3: Cross multiply
    376,057,100.98x = 518,975,007.48 × 208,793,370.46
  4. Step 4: Simplify right side
    376,057,100.98x = 108,358,540,994,387,280
  5. Step 5: Solve for x
    x = 108,358,540,994,387,280/376,057,100.98
  6. Step 6: Final answer
    x = 288,143,850.26

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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.