Finding the Fourth Proportional to 163,738,837.13, 225,979,409.35 and 93,191,599.88
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Solution
The fourth proportional to 163,738,837.13, 225,979,409.35 and 93,191,599.88 is: 128,615,684.99
Step by Step Solution
- Step 1: Write the proportion equation
163,738,837.13 : 225,979,409.35 = 93,191,599.88 : x - Step 2: Convert to fraction form
163,738,837.13/225,979,409.35 = 93,191,599.88/x - Step 3: Cross multiply
163,738,837.13x = 225,979,409.35 × 93,191,599.88 - Step 4: Simplify right side
163,738,837.13x = 21,059,382,697,097,016 - Step 5: Solve for x
x = 21,059,382,697,097,016/163,738,837.13 - Step 6: Final answer
x = 128,615,684.99
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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.