Finding the Fourth Proportional to 352,113,207.60, 528,193,139.40 and 93,324,817.20
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Solution
The fourth proportional to 352,113,207.60, 528,193,139.40 and 93,324,817.20 is: 139,993,408.70
Step by Step Solution
- Step 1: Write the proportion equation
352,113,207.60 : 528,193,139.40 = 93,324,817.20 : x - Step 2: Convert to fraction form
352,113,207.60/528,193,139.40 = 93,324,817.20/x - Step 3: Cross multiply
352,113,207.60x = 528,193,139.40 × 93,324,817.20 - Step 4: Simplify right side
352,113,207.60x = 49,293,528,180,799,120 - Step 5: Solve for x
x = 49,293,528,180,799,120/352,113,207.60 - Step 6: Final answer
x = 139,993,408.70
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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.