Finding the Fourth Proportional to 168,291,321.10, 252,362,332.05 and 77,368,108.30
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Solution
The fourth proportional to 168,291,321.10, 252,362,332.05 and 77,368,108.30 is: 116,017,843.99
Step by Step Solution
- Step 1: Write the proportion equation
168,291,321.10 : 252,362,332.05 = 77,368,108.30 : x - Step 2: Convert to fraction form
168,291,321.10/252,362,332.05 = 77,368,108.30/x - Step 3: Cross multiply
168,291,321.10x = 252,362,332.05 × 77,368,108.30 - Step 4: Simplify right side
168,291,321.10x = 19,524,796,236,884,960 - Step 5: Solve for x
x = 19,524,796,236,884,960/168,291,321.10 - Step 6: Final answer
x = 116,017,843.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.