Finding the Fourth Proportional to 46,409,136.08, 69,273,043.63 and 42,989,018
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Solution
The fourth proportional to 46,409,136.08, 69,273,043.63 and 42,989,018 is: 64,167,971.46
Step by Step Solution
- Step 1: Write the proportion equation
46,409,136.08 : 69,273,043.63 = 42,989,018 : x - Step 2: Convert to fraction form
46,409,136.08/69,273,043.63 = 42,989,018/x - Step 3: Cross multiply
46,409,136.08x = 69,273,043.63 × 42,989,018 - Step 4: Simplify right side
46,409,136.08x = 2,977,980,119,524,855 - Step 5: Solve for x
x = 2,977,980,119,524,855/46,409,136.08 - Step 6: Final answer
x = 64,167,971.46
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.