Finding the Fourth Proportional to 157,467,813.10, 236,201,719.65 and 44,000,421.10
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Solution
The fourth proportional to 157,467,813.10, 236,201,719.65 and 44,000,421.10 is: 66,000,631.65
Step by Step Solution
- Step 1: Write the proportion equation
157,467,813.10 : 236,201,719.65 = 44,000,421.10 : x - Step 2: Convert to fraction form
157,467,813.10/236,201,719.65 = 44,000,421.10/x - Step 3: Cross multiply
157,467,813.10x = 236,201,719.65 × 44,000,421.10 - Step 4: Simplify right side
157,467,813.10x = 10,392,975,129,144,146 - Step 5: Solve for x
x = 10,392,975,129,144,146/157,467,813.10 - Step 6: Final answer
x = 66,000,631.65
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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.