Finding the Fourth Proportional to 77,439,570.09, 106,872,853.23 and 44,402,892.90
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Solution
The fourth proportional to 77,439,570.09, 106,872,853.23 and 44,402,892.90 is: 61,279,573.87
Step by Step Solution
- Step 1: Write the proportion equation
77,439,570.09 : 106,872,853.23 = 44,402,892.90 : x - Step 2: Convert to fraction form
77,439,570.09/106,872,853.23 = 44,402,892.90/x - Step 3: Cross multiply
77,439,570.09x = 106,872,853.23 × 44,402,892.90 - Step 4: Simplify right side
77,439,570.09x = 4,745,463,855,889,109 - Step 5: Solve for x
x = 4,745,463,855,889,109/77,439,570.09 - Step 6: Final answer
x = 61,279,573.87
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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.