Finding the Fourth Proportional to 135,336,966.08, 186,760,012.12 and 73,455,976.04
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Solution
The fourth proportional to 135,336,966.08, 186,760,012.12 and 73,455,976.04 is: 101,366,532.54
Step by Step Solution
- Step 1: Write the proportion equation
135,336,966.08 : 186,760,012.12 = 73,455,976.04 : x - Step 2: Convert to fraction form
135,336,966.08/186,760,012.12 = 73,455,976.04/x - Step 3: Cross multiply
135,336,966.08x = 186,760,012.12 × 73,455,976.04 - Step 4: Simplify right side
135,336,966.08x = 13,718,638,975,800,090 - Step 5: Solve for x
x = 13,718,638,975,800,090/135,336,966.08 - Step 6: Final answer
x = 101,366,532.54
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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.