Finding the Fourth Proportional to 266,134,172.05, 399,239,093.18 and 81,917,012.94
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Solution
The fourth proportional to 266,134,172.05, 399,239,093.18 and 81,917,012.94 is: 122,887,165.19
Step by Step Solution
- Step 1: Write the proportion equation
266,134,172.05 : 399,239,093.18 = 81,917,012.94 : x - Step 2: Convert to fraction form
266,134,172.05/399,239,093.18 = 81,917,012.94/x - Step 3: Cross multiply
266,134,172.05x = 399,239,093.18 × 81,917,012.94 - Step 4: Simplify right side
266,134,172.05x = 32,704,473,962,179,924 - Step 5: Solve for x
x = 32,704,473,962,179,924/266,134,172.05 - Step 6: Final answer
x = 122,887,165.19
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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.