Home / 200,354,073.47-276,481,936.61-111,042,211.76

Finding the Fourth Proportional to 200,354,073.47, 276,481,936.61 and 111,042,211.76

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Solution

The fourth proportional to 200,354,073.47, 276,481,936.61 and 111,042,211.76 is: 153,234,547.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,354,073.47 : 276,481,936.61 = 111,042,211.76 : x
  2. Step 2: Convert to fraction form
    200,354,073.47/276,481,936.61 = 111,042,211.76/x
  3. Step 3: Cross multiply
    200,354,073.47x = 276,481,936.61 × 111,042,211.76
  4. Step 4: Simplify right side
    200,354,073.47x = 30,701,165,752,862,520
  5. Step 5: Solve for x
    x = 30,701,165,752,862,520/200,354,073.47
  6. Step 6: Final answer
    x = 153,234,547.32

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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.