Finding the Fourth Proportional to 315,257,817.96, 472,931,858.12 and 96,926,492.70
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Solution
The fourth proportional to 315,257,817.96, 472,931,858.12 and 96,926,492.70 is: 145,403,614.70
Step by Step Solution
- Step 1: Write the proportion equation
315,257,817.96 : 472,931,858.12 = 96,926,492.70 : x - Step 2: Convert to fraction form
315,257,817.96/472,931,858.12 = 96,926,492.70/x - Step 3: Cross multiply
315,257,817.96x = 472,931,858.12 × 96,926,492.70 - Step 4: Simplify right side
315,257,817.96x = 45,839,626,293,180,984 - Step 5: Solve for x
x = 45,839,626,293,180,984/315,257,817.96 - Step 6: Final answer
x = 145,403,614.70
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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.