Home / 129,338,970,243.34-194,015,306,967.19-39,863,419,118.90

Finding the Fourth Proportional to 129,338,970,243.34, 194,015,306,967.19 and 39,863,419,118.90

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Solution

The fourth proportional to 129,338,970,243.34, 194,015,306,967.19 and 39,863,419,118.90 is: 59,797,240,402.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,338,970,243.34 : 194,015,306,967.19 = 39,863,419,118.90 : x
  2. Step 2: Convert to fraction form
    129,338,970,243.34/194,015,306,967.19 = 39,863,419,118.90/x
  3. Step 3: Cross multiply
    129,338,970,243.34x = 194,015,306,967.19 × 39,863,419,118.90
  4. Step 4: Simplify right side
    129,338,970,243.34x = 7,734,113,497,114,941,063,168
  5. Step 5: Solve for x
    x = 7,734,113,497,114,941,063,168/129,338,970,243.34
  6. Step 6: Final answer
    x = 59,797,240,402.98

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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.