Finding the Fourth Proportional to 117,401,423.70, 176,102,135.55 and 73,752,402.90
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Solution
The fourth proportional to 117,401,423.70, 176,102,135.55 and 73,752,402.90 is: 110,628,604.35
Step by Step Solution
- Step 1: Write the proportion equation
117,401,423.70 : 176,102,135.55 = 73,752,402.90 : x - Step 2: Convert to fraction form
117,401,423.70/176,102,135.55 = 73,752,402.90/x - Step 3: Cross multiply
117,401,423.70x = 176,102,135.55 × 73,752,402.90 - Step 4: Simplify right side
117,401,423.70x = 12,987,955,652,634,016 - Step 5: Solve for x
x = 12,987,955,652,634,016/117,401,423.70 - Step 6: Final answer
x = 110,628,604.35
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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.