Finding the Fourth Proportional to 77,031,456.48, 106,304,694.30 and 41,750,388.36
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Solution
The fourth proportional to 77,031,456.48, 106,304,694.30 and 41,750,388.36 is: 57,616,232.05
Step by Step Solution
- Step 1: Write the proportion equation
77,031,456.48 : 106,304,694.30 = 41,750,388.36 : x - Step 2: Convert to fraction form
77,031,456.48/106,304,694.30 = 41,750,388.36/x - Step 3: Cross multiply
77,031,456.48x = 106,304,694.30 × 41,750,388.36 - Step 4: Simplify right side
77,031,456.48x = 4,438,262,271,516,078 - Step 5: Solve for x
x = 4,438,262,271,516,078/77,031,456.48 - Step 6: Final answer
x = 57,616,232.05
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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.