Finding the Fourth Proportional to 115,304,569.20, 159,123,874.68 and 63,095,805.36
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Solution
The fourth proportional to 115,304,569.20, 159,123,874.68 and 63,095,805.36 is: 87,074,164.49
Step by Step Solution
- Step 1: Write the proportion equation
115,304,569.20 : 159,123,874.68 = 63,095,805.36 : x - Step 2: Convert to fraction form
115,304,569.20/159,123,874.68 = 63,095,805.36/x - Step 3: Cross multiply
115,304,569.20x = 159,123,874.68 × 63,095,805.36 - Step 4: Simplify right side
115,304,569.20x = 10,040,049,024,938,312 - Step 5: Solve for x
x = 10,040,049,024,938,312/115,304,569.20 - Step 6: Final answer
x = 87,074,164.49
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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.