Finding the Fourth Proportional to 236,682,455.40, 355,023,683.10 and 155,053,117.80
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Solution
The fourth proportional to 236,682,455.40, 355,023,683.10 and 155,053,117.80 is: 232,579,676.70
Step by Step Solution
- Step 1: Write the proportion equation
236,682,455.40 : 355,023,683.10 = 155,053,117.80 : x - Step 2: Convert to fraction form
236,682,455.40/355,023,683.10 = 155,053,117.80/x - Step 3: Cross multiply
236,682,455.40x = 355,023,683.10 × 155,053,117.80 - Step 4: Simplify right side
236,682,455.40x = 55,047,528,957,494,176 - Step 5: Solve for x
x = 55,047,528,957,494,176/236,682,455.40 - Step 6: Final answer
x = 232,579,676.70
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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.