Finding the Fourth Proportional to 210,480,125.44, 315,715,272.96 and 97,012,733.44
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Solution
The fourth proportional to 210,480,125.44, 315,715,272.96 and 97,012,733.44 is: 145,516,834.69
Step by Step Solution
- Step 1: Write the proportion equation
210,480,125.44 : 315,715,272.96 = 97,012,733.44 : x - Step 2: Convert to fraction form
210,480,125.44/315,715,272.96 = 97,012,733.44/x - Step 3: Cross multiply
210,480,125.44x = 315,715,272.96 × 97,012,733.44 - Step 4: Simplify right side
210,480,125.44x = 30,628,401,618,605,316 - Step 5: Solve for x
x = 30,628,401,618,605,316/210,480,125.44 - Step 6: Final answer
x = 145,516,834.69
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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.