Home / 212,365,112,265.60-318,597,908,007.25-68,943,863,271.34

Finding the Fourth Proportional to 212,365,112,265.60, 318,597,908,007.25 and 68,943,863,271.34

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Solution

The fourth proportional to 212,365,112,265.60, 318,597,908,007.25 and 68,943,863,271.34 is: 103,432,105,084.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,365,112,265.60 : 318,597,908,007.25 = 68,943,863,271.34 : x
  2. Step 2: Convert to fraction form
    212,365,112,265.60/318,597,908,007.25 = 68,943,863,271.34/x
  3. Step 3: Cross multiply
    212,365,112,265.60x = 318,597,908,007.25 × 68,943,863,271.34
  4. Step 4: Simplify right side
    212,365,112,265.60x = 21,965,370,608,186,801,782,784
  5. Step 5: Solve for x
    x = 21,965,370,608,186,801,782,784/212,365,112,265.60
  6. Step 6: Final answer
    x = 103,432,105,084.73

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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.