Finding the Fourth Proportional to 74,807,685.50, 103,233,628.17 and 41,768,496.99
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Solution
The fourth proportional to 74,807,685.50, 103,233,628.17 and 41,768,496.99 is: 57,639,979.89
Step by Step Solution
- Step 1: Write the proportion equation
74,807,685.50 : 103,233,628.17 = 41,768,496.99 : x - Step 2: Convert to fraction form
74,807,685.50/103,233,628.17 = 41,768,496.99/x - Step 3: Cross multiply
74,807,685.50x = 103,233,628.17 × 41,768,496.99 - Step 4: Simplify right side
74,807,685.50x = 4,311,913,487,485,424.50 - Step 5: Solve for x
x = 4,311,913,487,485,424.50/74,807,685.50 - Step 6: Final answer
x = 57,639,979.89
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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.