Home / 209,598,394.54-313,994,642.29-117,201,895.52

Finding the Fourth Proportional to 209,598,394.54, 313,994,642.29 and 117,201,895.52

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Solution

The fourth proportional to 209,598,394.54, 313,994,642.29 and 117,201,895.52 is: 175,577,524.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,598,394.54 : 313,994,642.29 = 117,201,895.52 : x
  2. Step 2: Convert to fraction form
    209,598,394.54/313,994,642.29 = 117,201,895.52/x
  3. Step 3: Cross multiply
    209,598,394.54x = 313,994,642.29 × 117,201,895.52
  4. Step 4: Simplify right side
    209,598,394.54x = 36,800,767,259,512,352
  5. Step 5: Solve for x
    x = 36,800,767,259,512,352/209,598,394.54
  6. Step 6: Final answer
    x = 175,577,524.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.