Home / 200,269,968.35-300,162,814.56-103,172,708.34

Finding the Fourth Proportional to 200,269,968.35, 300,162,814.56 and 103,172,708.34

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Solution

The fourth proportional to 200,269,968.35, 300,162,814.56 and 103,172,708.34 is: 154,634,320.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,269,968.35 : 300,162,814.56 = 103,172,708.34 : x
  2. Step 2: Convert to fraction form
    200,269,968.35/300,162,814.56 = 103,172,708.34/x
  3. Step 3: Cross multiply
    200,269,968.35x = 300,162,814.56 × 103,172,708.34
  4. Step 4: Simplify right side
    200,269,968.35x = 30,968,610,521,112,388
  5. Step 5: Solve for x
    x = 30,968,610,521,112,388/200,269,968.35
  6. Step 6: Final answer
    x = 154,634,320.75

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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.