Finding the Fourth Proportional to 266,134,171.05, 399,239,091.68 and 81,917,011.94
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Solution
The fourth proportional to 266,134,171.05, 399,239,091.68 and 81,917,011.94 is: 122,887,163.68
Step by Step Solution
- Step 1: Write the proportion equation
266,134,171.05 : 399,239,091.68 = 81,917,011.94 : x - Step 2: Convert to fraction form
266,134,171.05/399,239,091.68 = 81,917,011.94/x - Step 3: Cross multiply
266,134,171.05x = 399,239,091.68 × 81,917,011.94 - Step 4: Simplify right side
266,134,171.05x = 32,704,473,437,659,536 - Step 5: Solve for x
x = 32,704,473,437,659,536/266,134,171.05 - Step 6: Final answer
x = 122,887,163.68
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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.