Finding the Fourth Proportional to 165,249,445.83, 247,865,198.57 and 50,225,020.09
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Solution
The fourth proportional to 165,249,445.83, 247,865,198.57 and 50,225,020.09 is: 75,334,803.79
Step by Step Solution
- Step 1: Write the proportion equation
165,249,445.83 : 247,865,198.57 = 50,225,020.09 : x - Step 2: Convert to fraction form
165,249,445.83/247,865,198.57 = 50,225,020.09/x - Step 3: Cross multiply
165,249,445.83x = 247,865,198.57 × 50,225,020.09 - Step 4: Simplify right side
165,249,445.83x = 12,449,034,577,384,830 - Step 5: Solve for x
x = 12,449,034,577,384,830/165,249,445.83 - Step 6: Final answer
x = 75,334,803.79
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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.