Finding the Fourth Proportional to 165,826,748.80, 248,646,811.20 and 63,594,121.60
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Solution
The fourth proportional to 165,826,748.80, 248,646,811.20 and 63,594,121.60 is: 95,355,397.49
Step by Step Solution
- Step 1: Write the proportion equation
165,826,748.80 : 248,646,811.20 = 63,594,121.60 : x - Step 2: Convert to fraction form
165,826,748.80/248,646,811.20 = 63,594,121.60/x - Step 3: Cross multiply
165,826,748.80x = 248,646,811.20 × 63,594,121.60 - Step 4: Simplify right side
165,826,748.80x = 15,812,475,546,905,042 - Step 5: Solve for x
x = 15,812,475,546,905,042/165,826,748.80 - Step 6: Final answer
x = 95,355,397.49
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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.