Finding the Fourth Proportional to 165,120,276.69, 247,680,458.78 and 48,535,637.49
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Solution
The fourth proportional to 165,120,276.69, 247,680,458.78 and 48,535,637.49 is: 72,803,469.09
Step by Step Solution
- Step 1: Write the proportion equation
165,120,276.69 : 247,680,458.78 = 48,535,637.49 : x - Step 2: Convert to fraction form
165,120,276.69/247,680,458.78 = 48,535,637.49/x - Step 3: Cross multiply
165,120,276.69x = 247,680,458.78 × 48,535,637.49 - Step 4: Simplify right side
165,120,276.69x = 12,021,328,960,460,290 - Step 5: Solve for x
x = 12,021,328,960,460,290/165,120,276.69 - Step 6: Final answer
x = 72,803,469.09
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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.