Home / 67,067,999.10-100,601,998.65-65,178,431.10

Finding the Fourth Proportional to 67,067,999.10, 100,601,998.65 and 65,178,431.10

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Solution

The fourth proportional to 67,067,999.10, 100,601,998.65 and 65,178,431.10 is: 97,767,646.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,067,999.10 : 100,601,998.65 = 65,178,431.10 : x
  2. Step 2: Convert to fraction form
    67,067,999.10/100,601,998.65 = 65,178,431.10/x
  3. Step 3: Cross multiply
    67,067,999.10x = 100,601,998.65 × 65,178,431.10
  4. Step 4: Simplify right side
    67,067,999.10x = 6,557,080,437,531,319
  5. Step 5: Solve for x
    x = 6,557,080,437,531,319/67,067,999.10
  6. Step 6: Final answer
    x = 97,767,646.65

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1.5x scale

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.