Finding the Fourth Proportional to 135,192,675.36, 186,565,990.32 and 73,312,998.24
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Solution
The fourth proportional to 135,192,675.36, 186,565,990.32 and 73,312,998.24 is: 101,171,990.89
Step by Step Solution
- Step 1: Write the proportion equation
135,192,675.36 : 186,565,990.32 = 73,312,998.24 : x - Step 2: Convert to fraction form
135,192,675.36/186,565,990.32 = 73,312,998.24/x - Step 3: Cross multiply
135,192,675.36x = 186,565,990.32 × 73,312,998.24 - Step 4: Simplify right side
135,192,675.36x = 13,677,712,119,974,016 - Step 5: Solve for x
x = 13,677,712,119,974,016/135,192,675.36 - Step 6: Final answer
x = 101,171,990.89
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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.