Finding the Fourth Proportional to 114,120,272.40, 157,472,689.79 and 63,887,241.68
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Solution
The fourth proportional to 114,120,272.40, 157,472,689.79 and 63,887,241.68 is: 88,156,955.63
Step by Step Solution
- Step 1: Write the proportion equation
114,120,272.40 : 157,472,689.79 = 63,887,241.68 : x - Step 2: Convert to fraction form
114,120,272.40/157,472,689.79 = 63,887,241.68/x - Step 3: Cross multiply
114,120,272.40x = 157,472,689.79 × 63,887,241.68 - Step 4: Simplify right side
114,120,272.40x = 10,060,495,790,293,962 - Step 5: Solve for x
x = 10,060,495,790,293,962/114,120,272.40 - Step 6: Final answer
x = 88,156,955.63
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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.