Finding the Fourth Proportional to 168,568,219,357.99, 252,751,352,684.74 and 53,652,249,268.14
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Solution
The fourth proportional to 168,568,219,357.99, 252,751,352,684.74 and 53,652,249,268.14 is: 80,446,234,935.32
Step by Step Solution
- Step 1: Write the proportion equation
168,568,219,357.99 : 252,751,352,684.74 = 53,652,249,268.14 : x - Step 2: Convert to fraction form
168,568,219,357.99/252,751,352,684.74 = 53,652,249,268.14/x - Step 3: Cross multiply
168,568,219,357.99x = 252,751,352,684.74 × 53,652,249,268.14 - Step 4: Simplify right side
168,568,219,357.99x = 13,560,678,577,101,235,814,400 - Step 5: Solve for x
x = 13,560,678,577,101,235,814,400/168,568,219,357.99 - Step 6: Final answer
x = 80,446,234,935.32
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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.