Home / 120,703,800,418.15-166,563,739,306.71-66,507,316,163.03

Finding the Fourth Proportional to 120,703,800,418.15, 166,563,739,306.71 and 66,507,316,163.03

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Solution

The fourth proportional to 120,703,800,418.15, 166,563,739,306.71 and 66,507,316,163.03 is: 91,775,960,930.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,703,800,418.15 : 166,563,739,306.71 = 66,507,316,163.03 : x
  2. Step 2: Convert to fraction form
    120,703,800,418.15/166,563,739,306.71 = 66,507,316,163.03/x
  3. Step 3: Cross multiply
    120,703,800,418.15x = 166,563,739,306.71 × 66,507,316,163.03
  4. Step 4: Simplify right side
    120,703,800,418.15x = 11,077,707,271,368,368,717,824
  5. Step 5: Solve for x
    x = 11,077,707,271,368,368,717,824/120,703,800,418.15
  6. Step 6: Final answer
    x = 91,775,960,930.74

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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.