Finding the Fourth Proportional to 163,979,718.18, 226,293,516.81 and 93,414,282.57
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Solution
The fourth proportional to 163,979,718.18, 226,293,516.81 and 93,414,282.57 is: 128,912,567.71
Step by Step Solution
- Step 1: Write the proportion equation
163,979,718.18 : 226,293,516.81 = 93,414,282.57 : x - Step 2: Convert to fraction form
163,979,718.18/226,293,516.81 = 93,414,282.57/x - Step 3: Cross multiply
163,979,718.18x = 226,293,516.81 × 93,414,282.57 - Step 4: Simplify right side
163,979,718.18x = 21,139,046,523,048,384 - Step 5: Solve for x
x = 21,139,046,523,048,384/163,979,718.18 - Step 6: Final answer
x = 128,912,567.71
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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.