Finding the Fourth Proportional to 63,863,251.20, 88,106,279.04 and 39,374,449.92
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Solution
The fourth proportional to 63,863,251.20, 88,106,279.04 and 39,374,449.92 is: 54,321,322.62
Step by Step Solution
- Step 1: Write the proportion equation
63,863,251.20 : 88,106,279.04 = 39,374,449.92 : x - Step 2: Convert to fraction form
63,863,251.20/88,106,279.04 = 39,374,449.92/x - Step 3: Cross multiply
63,863,251.20x = 88,106,279.04 × 39,374,449.92 - Step 4: Simplify right side
63,863,251.20x = 3,469,136,271,698,026 - Step 5: Solve for x
x = 3,469,136,271,698,026/63,863,251.20 - Step 6: Final answer
x = 54,321,322.62
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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.