Finding the Fourth Proportional to 115,909,669.80, 173,864,504.70 and 62,161,957.80
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Solution
The fourth proportional to 115,909,669.80, 173,864,504.70 and 62,161,957.80 is: 93,242,936.70
Step by Step Solution
- Step 1: Write the proportion equation
115,909,669.80 : 173,864,504.70 = 62,161,957.80 : x - Step 2: Convert to fraction form
115,909,669.80/173,864,504.70 = 62,161,957.80/x - Step 3: Cross multiply
115,909,669.80x = 173,864,504.70 × 62,161,957.80 - Step 4: Simplify right side
115,909,669.80x = 10,807,758,004,079,300 - Step 5: Solve for x
x = 10,807,758,004,079,300/115,909,669.80 - Step 6: Final answer
x = 93,242,936.70
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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.