Finding the Fourth Proportional to 116,197,408.68, 160,348,919.34 and 63,986,725.68
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Solution
The fourth proportional to 116,197,408.68, 160,348,919.34 and 63,986,725.68 is: 88,299,751.53
Step by Step Solution
- Step 1: Write the proportion equation
116,197,408.68 : 160,348,919.34 = 63,986,725.68 : x - Step 2: Convert to fraction form
116,197,408.68/160,348,919.34 = 63,986,725.68/x - Step 3: Cross multiply
116,197,408.68x = 160,348,919.34 × 63,986,725.68 - Step 4: Simplify right side
116,197,408.68x = 10,260,202,314,893,026 - Step 5: Solve for x
x = 10,260,202,314,893,026/116,197,408.68 - Step 6: Final answer
x = 88,299,751.53
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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.