Finding the Fourth Proportional to 157,465,348.70, 236,198,023.05 and 88,590,595.10
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Solution
The fourth proportional to 157,465,348.70, 236,198,023.05 and 88,590,595.10 is: 132,885,892.65
Step by Step Solution
- Step 1: Write the proportion equation
157,465,348.70 : 236,198,023.05 = 88,590,595.10 : x - Step 2: Convert to fraction form
157,465,348.70/236,198,023.05 = 88,590,595.10/x - Step 3: Cross multiply
157,465,348.70x = 236,198,023.05 × 88,590,595.10 - Step 4: Simplify right side
157,465,348.70x = 20,924,923,423,443,016 - Step 5: Solve for x
x = 20,924,923,423,443,016/157,465,348.70 - Step 6: Final answer
x = 132,885,892.65
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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.