Finding the Fourth Proportional to 52,424,154.40, 78,636,231.60 and 29,465,903.20
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Solution
The fourth proportional to 52,424,154.40, 78,636,231.60 and 29,465,903.20 is: 44,198,854.80
Step by Step Solution
- Step 1: Write the proportion equation
52,424,154.40 : 78,636,231.60 = 29,465,903.20 : x - Step 2: Convert to fraction form
52,424,154.40/78,636,231.60 = 29,465,903.20/x - Step 3: Cross multiply
52,424,154.40x = 78,636,231.60 × 29,465,903.20 - Step 4: Simplify right side
52,424,154.40x = 2,317,087,588,338,381 - Step 5: Solve for x
x = 2,317,087,588,338,381/52,424,154.40 - Step 6: Final answer
x = 44,198,854.80
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1.5x scale
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.