Finding the Fourth Proportional to 165,814,545.80, 248,721,818.70 and 127,550,793.80
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Solution
The fourth proportional to 165,814,545.80, 248,721,818.70 and 127,550,793.80 is: 191,326,190.70
Step by Step Solution
- Step 1: Write the proportion equation
165,814,545.80 : 248,721,818.70 = 127,550,793.80 : x - Step 2: Convert to fraction form
165,814,545.80/248,721,818.70 = 127,550,793.80/x - Step 3: Cross multiply
165,814,545.80x = 248,721,818.70 × 127,550,793.80 - Step 4: Simplify right side
165,814,545.80x = 31,724,665,410,564,680 - Step 5: Solve for x
x = 31,724,665,410,564,680/165,814,545.80 - Step 6: Final answer
x = 191,326,190.70
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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.