Finding the Fourth Proportional to 91,623,138.99, 137,434,734 and 26,926,940.49
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Solution
The fourth proportional to 91,623,138.99, 137,434,734 and 26,926,940.49 is: 40,390,418.23
Step by Step Solution
- Step 1: Write the proportion equation
91,623,138.99 : 137,434,734 = 26,926,940.49 : x - Step 2: Convert to fraction form
91,623,138.99/137,434,734 = 26,926,940.49/x - Step 3: Cross multiply
91,623,138.99x = 137,434,734 × 26,926,940.49 - Step 4: Simplify right side
91,623,138.99x = 3,700,696,903,676,979.50 - Step 5: Solve for x
x = 3,700,696,903,676,979.50/91,623,138.99 - Step 6: Final answer
x = 40,390,418.23
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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.