Finding the Fourth Proportional to 135,401,616.99, 186,859,589.04 and 75,863,426.67
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Solution
The fourth proportional to 135,401,616.99, 186,859,589.04 and 75,863,426.67 is: 104,694,530.58
Step by Step Solution
- Step 1: Write the proportion equation
135,401,616.99 : 186,859,589.04 = 75,863,426.67 : x - Step 2: Convert to fraction form
135,401,616.99/186,859,589.04 = 75,863,426.67/x - Step 3: Cross multiply
135,401,616.99x = 186,859,589.04 × 75,863,426.67 - Step 4: Simplify right side
135,401,616.99x = 14,175,808,730,722,376 - Step 5: Solve for x
x = 14,175,808,730,722,376/135,401,616.99 - Step 6: Final answer
x = 104,694,530.58
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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.