Finding the Fourth Proportional to 154,095,646.41, 212,651,940.87 and 84,479,532.62
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Solution
The fourth proportional to 154,095,646.41, 212,651,940.87 and 84,479,532.62 is: 116,581,726.95
Step by Step Solution
- Step 1: Write the proportion equation
154,095,646.41 : 212,651,940.87 = 84,479,532.62 : x - Step 2: Convert to fraction form
154,095,646.41/212,651,940.87 = 84,479,532.62/x - Step 3: Cross multiply
154,095,646.41x = 212,651,940.87 × 84,479,532.62 - Step 4: Simplify right side
154,095,646.41x = 17,964,736,574,370,216 - Step 5: Solve for x
x = 17,964,736,574,370,216/154,095,646.41 - Step 6: Final answer
x = 116,581,726.95
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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.