Finding the Fourth Proportional to 93,312,197.40, 139,968,296.10 and 52,497,528.60
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Solution
The fourth proportional to 93,312,197.40, 139,968,296.10 and 52,497,528.60 is: 78,746,292.90
Step by Step Solution
- Step 1: Write the proportion equation
93,312,197.40 : 139,968,296.10 = 52,497,528.60 : x - Step 2: Convert to fraction form
93,312,197.40/139,968,296.10 = 52,497,528.60/x - Step 3: Cross multiply
93,312,197.40x = 139,968,296.10 × 52,497,528.60 - Step 4: Simplify right side
93,312,197.40x = 7,347,989,627,603,018 - Step 5: Solve for x
x = 7,347,989,627,603,018/93,312,197.40 - Step 6: Final answer
x = 78,746,292.90
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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.