Finding the Fourth Proportional to 112,269,233.80, 168,403,850.70 and 103,871,153.80
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Solution
The fourth proportional to 112,269,233.80, 168,403,850.70 and 103,871,153.80 is: 155,806,730.70
Step by Step Solution
- Step 1: Write the proportion equation
112,269,233.80 : 168,403,850.70 = 103,871,153.80 : x - Step 2: Convert to fraction form
112,269,233.80/168,403,850.70 = 103,871,153.80/x - Step 3: Cross multiply
112,269,233.80x = 168,403,850.70 × 103,871,153.80 - Step 4: Simplify right side
112,269,233.80x = 17,492,302,276,571,936 - Step 5: Solve for x
x = 17,492,302,276,571,936/112,269,233.80 - Step 6: Final answer
x = 155,806,730.70
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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.