Finding the Fourth Proportional to 61,133,685.42, 84,485,530.44 and 50,103,036.98
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Solution
The fourth proportional to 61,133,685.42, 84,485,530.44 and 50,103,036.98 is: 69,241,394.93
Step by Step Solution
- Step 1: Write the proportion equation
61,133,685.42 : 84,485,530.44 = 50,103,036.98 : x - Step 2: Convert to fraction form
61,133,685.42/84,485,530.44 = 50,103,036.98/x - Step 3: Cross multiply
61,133,685.42x = 84,485,530.44 × 50,103,036.98 - Step 4: Simplify right side
61,133,685.42x = 4,232,981,655,910,235.50 - Step 5: Solve for x
x = 4,232,981,655,910,235.50/61,133,685.42 - Step 6: Final answer
x = 69,241,394.93
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.