Finding the Fourth Proportional to 135,336,955.96, 186,759,998.21 and 73,455,965.92
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Solution
The fourth proportional to 135,336,955.96, 186,759,998.21 and 73,455,965.92 is: 101,366,518.60
Step by Step Solution
- Step 1: Write the proportion equation
135,336,955.96 : 186,759,998.21 = 73,455,965.92 : x - Step 2: Convert to fraction form
135,336,955.96/186,759,998.21 = 73,455,965.92/x - Step 3: Cross multiply
135,336,955.96x = 186,759,998.21 × 73,455,965.92 - Step 4: Simplify right side
135,336,955.96x = 13,718,636,062,431,944 - Step 5: Solve for x
x = 13,718,636,062,431,944/135,336,955.96 - Step 6: Final answer
x = 101,366,518.60
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1.5x scale
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.