Home / 120,994,139,810.41-166,986,554,891.46-68,863,545,953.12

Finding the Fourth Proportional to 120,994,139,810.41, 166,986,554,891.46 and 68,863,545,953.12

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Solution

The fourth proportional to 120,994,139,810.41, 166,986,554,891.46 and 68,863,545,953.12 is: 95,040,026,850.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,994,139,810.41 : 166,986,554,891.46 = 68,863,545,953.12 : x
  2. Step 2: Convert to fraction form
    120,994,139,810.41/166,986,554,891.46 = 68,863,545,953.12/x
  3. Step 3: Cross multiply
    120,994,139,810.41x = 166,986,554,891.46 × 68,863,545,953.12
  4. Step 4: Simplify right side
    120,994,139,810.41x = 11,499,286,296,321,916,403,712
  5. Step 5: Solve for x
    x = 11,499,286,296,321,916,403,712/120,994,139,810.41
  6. Step 6: Final answer
    x = 95,040,026,850.40

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1.5x scale

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.