Finding the Fourth Proportional to 216,775,947.62, 325,095,394.71 and 71,185,507.94
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Solution
The fourth proportional to 216,775,947.62, 325,095,394.71 and 71,185,507.94 is: 106,755,758.91
Step by Step Solution
- Step 1: Write the proportion equation
216,775,947.62 : 325,095,394.71 = 71,185,507.94 : x - Step 2: Convert to fraction form
216,775,947.62/325,095,394.71 = 71,185,507.94/x - Step 3: Cross multiply
216,775,947.62x = 325,095,394.71 × 71,185,507.94 - Step 4: Simplify right side
216,775,947.62x = 23,142,080,801,386,136 - Step 5: Solve for x
x = 23,142,080,801,386,136/216,775,947.62 - Step 6: Final answer
x = 106,755,758.91
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.