Finding the Fourth Proportional to 116,511,570,125.70, 160,786,390,509.18 and 63,047,542,643.70
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Solution
The fourth proportional to 116,511,570,125.70, 160,786,390,509.18 and 63,047,542,643.70 is: 87,005,838,143.09
Step by Step Solution
- Step 1: Write the proportion equation
116,511,570,125.70 : 160,786,390,509.18 = 63,047,542,643.70 : x - Step 2: Convert to fraction form
116,511,570,125.70/160,786,390,509.18 = 63,047,542,643.70/x - Step 3: Cross multiply
116,511,570,125.70x = 160,786,390,509.18 × 63,047,542,643.70 - Step 4: Simplify right side
116,511,570,125.70x = 10,137,186,812,154,125,221,888 - Step 5: Solve for x
x = 10,137,186,812,154,125,221,888/116,511,570,125.70 - Step 6: Final answer
x = 87,005,838,143.09
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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.