Finding the Fourth Proportional to 207,349,124.53, 286,142,767.12 and 113,264,576.74
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Solution
The fourth proportional to 207,349,124.53, 286,142,767.12 and 113,264,576.74 is: 156,305,648.65
Step by Step Solution
- Step 1: Write the proportion equation
207,349,124.53 : 286,142,767.12 = 113,264,576.74 : x - Step 2: Convert to fraction form
207,349,124.53/286,142,767.12 = 113,264,576.74/x - Step 3: Cross multiply
207,349,124.53x = 286,142,767.12 × 113,264,576.74 - Step 4: Simplify right side
207,349,124.53x = 32,409,839,405,459,844 - Step 5: Solve for x
x = 32,409,839,405,459,844/207,349,124.53 - Step 6: Final answer
x = 156,305,648.65
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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.