Finding the Fourth Proportional to 91,330,807.84, 137,016,362.18 and 26,639,675.88
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Solution
The fourth proportional to 91,330,807.84, 137,016,362.18 and 26,639,675.88 is: 39,965,391.36
Step by Step Solution
- Step 1: Write the proportion equation
91,330,807.84 : 137,016,362.18 = 26,639,675.88 : x - Step 2: Convert to fraction form
91,330,807.84/137,016,362.18 = 26,639,675.88/x - Step 3: Cross multiply
91,330,807.84x = 137,016,362.18 × 26,639,675.88 - Step 4: Simplify right side
91,330,807.84x = 3,650,071,478,731,890.50 - Step 5: Solve for x
x = 3,650,071,478,731,890.50/91,330,807.84 - Step 6: Final answer
x = 39,965,391.36
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.