Finding the Fourth Proportional to 166,439,989.16, 229,499,223.36 and 124,489,613.99
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Solution
The fourth proportional to 166,439,989.16, 229,499,223.36 and 124,489,613.99 is: 171,655,080.43
Step by Step Solution
- Step 1: Write the proportion equation
166,439,989.16 : 229,499,223.36 = 124,489,613.99 : x - Step 2: Convert to fraction form
166,439,989.16/229,499,223.36 = 124,489,613.99/x - Step 3: Cross multiply
166,439,989.16x = 229,499,223.36 × 124,489,613.99 - Step 4: Simplify right side
166,439,989.16x = 28,570,269,725,943,696 - Step 5: Solve for x
x = 28,570,269,725,943,696/166,439,989.16 - Step 6: Final answer
x = 171,655,080.43
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.