Finding the Fourth Proportional to 94,032,438.49, 129,757,646.21 and 52,771,359.25
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Solution
The fourth proportional to 94,032,438.49, 129,757,646.21 and 52,771,359.25 is: 72,820,480.61
Step by Step Solution
- Step 1: Write the proportion equation
94,032,438.49 : 129,757,646.21 = 52,771,359.25 : x - Step 2: Convert to fraction form
94,032,438.49/129,757,646.21 = 52,771,359.25/x - Step 3: Cross multiply
94,032,438.49x = 129,757,646.21 × 52,771,359.25 - Step 4: Simplify right side
94,032,438.49x = 6,847,487,363,582,311 - Step 5: Solve for x
x = 6,847,487,363,582,311/94,032,438.49 - Step 6: Final answer
x = 72,820,480.61
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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.