Home / 201,845,782.14-278,547,286.12-109,026,289.82

Finding the Fourth Proportional to 201,845,782.14, 278,547,286.12 and 109,026,289.82

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Solution

The fourth proportional to 201,845,782.14, 278,547,286.12 and 109,026,289.82 is: 150,456,337.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,845,782.14 : 278,547,286.12 = 109,026,289.82 : x
  2. Step 2: Convert to fraction form
    201,845,782.14/278,547,286.12 = 109,026,289.82/x
  3. Step 3: Cross multiply
    201,845,782.14x = 278,547,286.12 × 109,026,289.82
  4. Step 4: Simplify right side
    201,845,782.14x = 30,368,977,145,093,580
  5. Step 5: Solve for x
    x = 30,368,977,145,093,580/201,845,782.14
  6. Step 6: Final answer
    x = 150,456,337.62

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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.