Home / 201,852,486.73-278,556,543.75-109,032,995.49

Finding the Fourth Proportional to 201,852,486.73, 278,556,543.75 and 109,032,995.49

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Solution

The fourth proportional to 201,852,486.73, 278,556,543.75 and 109,032,995.49 is: 150,465,594.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,852,486.73 : 278,556,543.75 = 109,032,995.49 : x
  2. Step 2: Convert to fraction form
    201,852,486.73/278,556,543.75 = 109,032,995.49/x
  3. Step 3: Cross multiply
    201,852,486.73x = 278,556,543.75 × 109,032,995.49
  4. Step 4: Simplify right side
    201,852,486.73x = 30,371,854,378,403,736
  5. Step 5: Solve for x
    x = 30,371,854,378,403,736/201,852,486.73
  6. Step 6: Final answer
    x = 150,465,594.31

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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.