Finding the Fourth Proportional to 42,106,218.10, 58,082,331.73 and 25,349,302.07
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Solution
The fourth proportional to 42,106,218.10, 58,082,331.73 and 25,349,302.07 is: 34,967,438.02
Step by Step Solution
- Step 1: Write the proportion equation
42,106,218.10 : 58,082,331.73 = 25,349,302.07 : x - Step 2: Convert to fraction form
42,106,218.10/58,082,331.73 = 25,349,302.07/x - Step 3: Cross multiply
42,106,218.10x = 58,082,331.73 × 25,349,302.07 - Step 4: Simplify right side
42,106,218.10x = 1,472,346,571,663,304 - Step 5: Solve for x
x = 1,472,346,571,663,304/42,106,218.10 - Step 6: Final answer
x = 34,967,438.02
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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.