Finding the Fourth Proportional to 55,852,624.49, 77,077,331.12 and 30,737,625.42
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Solution
The fourth proportional to 55,852,624.49, 77,077,331.12 and 30,737,625.42 is: 42,418,313.45
Step by Step Solution
- Step 1: Write the proportion equation
55,852,624.49 : 77,077,331.12 = 30,737,625.42 : x - Step 2: Convert to fraction form
55,852,624.49/77,077,331.12 = 30,737,625.42/x - Step 3: Cross multiply
55,852,624.49x = 77,077,331.12 × 30,737,625.42 - Step 4: Simplify right side
55,852,624.49x = 2,369,174,132,186,181 - Step 5: Solve for x
x = 2,369,174,132,186,181/55,852,624.49 - Step 6: Final answer
x = 42,418,313.45
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1.5x scale
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.