Finding the Fourth Proportional to 216,698,625.60, 325,087,304.40 and 71,091,664.80
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Solution
The fourth proportional to 216,698,625.60, 325,087,304.40 and 71,091,664.80 is: 106,650,411.88
Step by Step Solution
- Step 1: Write the proportion equation
216,698,625.60 : 325,087,304.40 = 71,091,664.80 : x - Step 2: Convert to fraction form
216,698,625.60/325,087,304.40 = 71,091,664.80/x - Step 3: Cross multiply
216,698,625.60x = 325,087,304.40 × 71,091,664.80 - Step 4: Simplify right side
216,698,625.60x = 23,110,997,675,140,364 - Step 5: Solve for x
x = 23,110,997,675,140,364/216,698,625.60 - Step 6: Final answer
x = 106,650,411.88
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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.