Finding the Fourth Proportional to 84,985,723.70, 127,667,542.35 and 81,773,458.10
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Solution
The fourth proportional to 84,985,723.70, 127,667,542.35 and 81,773,458.10 is: 122,842,001.82
Step by Step Solution
- Step 1: Write the proportion equation
84,985,723.70 : 127,667,542.35 = 81,773,458.10 : x - Step 2: Convert to fraction form
84,985,723.70/127,667,542.35 = 81,773,458.10/x - Step 3: Cross multiply
84,985,723.70x = 127,667,542.35 × 81,773,458.10 - Step 4: Simplify right side
84,985,723.70x = 10,439,816,425,087,700 - Step 5: Solve for x
x = 10,439,816,425,087,700/84,985,723.70 - Step 6: Final answer
x = 122,842,001.82
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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.