Home / 212,365,112,273.37-318,597,908,018.94-68,943,863,279.13

Finding the Fourth Proportional to 212,365,112,273.37, 318,597,908,018.94 and 68,943,863,279.13

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Solution

The fourth proportional to 212,365,112,273.37, 318,597,908,018.94 and 68,943,863,279.13 is: 103,432,105,096.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,365,112,273.37 : 318,597,908,018.94 = 68,943,863,279.13 : x
  2. Step 2: Convert to fraction form
    212,365,112,273.37/318,597,908,018.94 = 68,943,863,279.13/x
  3. Step 3: Cross multiply
    212,365,112,273.37x = 318,597,908,018.94 × 68,943,863,279.13
  4. Step 4: Simplify right side
    212,365,112,273.37x = 21,965,370,611,474,636,996,608
  5. Step 5: Solve for x
    x = 21,965,370,611,474,636,996,608/212,365,112,273.37
  6. Step 6: Final answer
    x = 103,432,105,096.43

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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.