Finding the Fourth Proportional to 116,631,913.74, 160,952,034.81 and 62,986,569.75
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Solution
The fourth proportional to 116,631,913.74, 160,952,034.81 and 62,986,569.75 is: 86,921,462.93
Step by Step Solution
- Step 1: Write the proportion equation
116,631,913.74 : 160,952,034.81 = 62,986,569.75 : x - Step 2: Convert to fraction form
116,631,913.74/160,952,034.81 = 62,986,569.75/x - Step 3: Cross multiply
116,631,913.74x = 160,952,034.81 × 62,986,569.75 - Step 4: Simplify right side
116,631,913.74x = 10,137,816,566,964,494 - Step 5: Solve for x
x = 10,137,816,566,964,494/116,631,913.74 - Step 6: Final answer
x = 86,921,462.93
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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.