Finding the Fourth Proportional to 207,349,124.78, 286,142,767.46 and 113,264,576.99
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Solution
The fourth proportional to 207,349,124.78, 286,142,767.46 and 113,264,576.99 is: 156,305,648.99
Step by Step Solution
- Step 1: Write the proportion equation
207,349,124.78 : 286,142,767.46 = 113,264,576.99 : x - Step 2: Convert to fraction form
207,349,124.78/286,142,767.46 = 113,264,576.99/x - Step 3: Cross multiply
207,349,124.78x = 286,142,767.46 × 113,264,576.99 - Step 4: Simplify right side
207,349,124.78x = 32,409,839,515,820,192 - Step 5: Solve for x
x = 32,409,839,515,820,192/207,349,124.78 - Step 6: Final answer
x = 156,305,648.99
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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.