Finding the Fourth Proportional to 66,426,235.23, 91,668,243.68 and 37,057,567.94
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Solution
The fourth proportional to 66,426,235.23, 91,668,243.68 and 37,057,567.94 is: 51,139,465.55
Step by Step Solution
- Step 1: Write the proportion equation
66,426,235.23 : 91,668,243.68 = 37,057,567.94 : x - Step 2: Convert to fraction form
66,426,235.23/91,668,243.68 = 37,057,567.94/x - Step 3: Cross multiply
66,426,235.23x = 91,668,243.68 × 37,057,567.94 - Step 4: Simplify right side
66,426,235.23x = 3,397,002,168,112,075.50 - Step 5: Solve for x
x = 3,397,002,168,112,075.50/66,426,235.23 - Step 6: Final answer
x = 51,139,465.55
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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.