Finding the Fourth Proportional to 42,557,983.36, 58,730,082.54 and 24,223,268.84
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Solution
The fourth proportional to 42,557,983.36, 58,730,082.54 and 24,223,268.84 is: 33,428,148.28
Step by Step Solution
- Step 1: Write the proportion equation
42,557,983.36 : 58,730,082.54 = 24,223,268.84 : x - Step 2: Convert to fraction form
42,557,983.36/58,730,082.54 = 24,223,268.84/x - Step 3: Cross multiply
42,557,983.36x = 58,730,082.54 × 24,223,268.84 - Step 4: Simplify right side
42,557,983.36x = 1,422,634,578,361,810 - Step 5: Solve for x
x = 1,422,634,578,361,810/42,557,983.36 - Step 6: Final answer
x = 33,428,148.28
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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.