Finding the Fourth Proportional to 245,145,781.80, 367,718,672.70 and 201,307,804.20
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Solution
The fourth proportional to 245,145,781.80, 367,718,672.70 and 201,307,804.20 is: 301,961,706.30
Step by Step Solution
- Step 1: Write the proportion equation
245,145,781.80 : 367,718,672.70 = 201,307,804.20 : x - Step 2: Convert to fraction form
245,145,781.80/367,718,672.70 = 201,307,804.20/x - Step 3: Cross multiply
245,145,781.80x = 367,718,672.70 × 201,307,804.20 - Step 4: Simplify right side
245,145,781.80x = 74,024,638,564,575,472 - Step 5: Solve for x
x = 74,024,638,564,575,472/245,145,781.80 - Step 6: Final answer
x = 301,961,706.30
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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.