Finding the Fourth Proportional to 75,591,591.54, 104,260,697.70 and 57,007,513.98
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Solution
The fourth proportional to 75,591,591.54, 104,260,697.70 and 57,007,513.98 is: 78,628,364.09
Step by Step Solution
- Step 1: Write the proportion equation
75,591,591.54 : 104,260,697.70 = 57,007,513.98 : x - Step 2: Convert to fraction form
75,591,591.54/104,260,697.70 = 57,007,513.98/x - Step 3: Cross multiply
75,591,591.54x = 104,260,697.70 × 57,007,513.98 - Step 4: Simplify right side
75,591,591.54x = 5,943,643,181,697,304 - Step 5: Solve for x
x = 5,943,643,181,697,304/75,591,591.54 - Step 6: Final answer
x = 78,628,364.09
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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.