Home / 310,307,297.32-428,227,042.87-171,083,052.28

Finding the Fourth Proportional to 310,307,297.32, 428,227,042.87 and 171,083,052.28

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Solution

The fourth proportional to 310,307,297.32, 428,227,042.87 and 171,083,052.28 is: 236,096,251.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,307,297.32 : 428,227,042.87 = 171,083,052.28 : x
  2. Step 2: Convert to fraction form
    310,307,297.32/428,227,042.87 = 171,083,052.28/x
  3. Step 3: Cross multiply
    310,307,297.32x = 428,227,042.87 × 171,083,052.28
  4. Step 4: Simplify right side
    310,307,297.32x = 73,262,389,563,787,152
  5. Step 5: Solve for x
    x = 73,262,389,563,787,152/310,307,297.32
  6. Step 6: Final answer
    x = 236,096,251.03

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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.