Home / 168,148,200.30-252,222,300.45-46,979,457.90

Finding the Fourth Proportional to 168,148,200.30, 252,222,300.45 and 46,979,457.90

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Solution

The fourth proportional to 168,148,200.30, 252,222,300.45 and 46,979,457.90 is: 70,469,186.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,148,200.30 : 252,222,300.45 = 46,979,457.90 : x
  2. Step 2: Convert to fraction form
    168,148,200.30/252,222,300.45 = 46,979,457.90/x
  3. Step 3: Cross multiply
    168,148,200.30x = 252,222,300.45 × 46,979,457.90
  4. Step 4: Simplify right side
    168,148,200.30x = 11,849,266,945,431,926
  5. Step 5: Solve for x
    x = 11,849,266,945,431,926/168,148,200.30
  6. Step 6: Final answer
    x = 70,469,186.85

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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.