Finding the Fourth Proportional to 87,836,592.63, 121,063,199.53 and 58,415,354.57
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Solution
The fourth proportional to 87,836,592.63, 121,063,199.53 and 58,415,354.57 is: 80,512,569.01
Step by Step Solution
- Step 1: Write the proportion equation
87,836,592.63 : 121,063,199.53 = 58,415,354.57 : x - Step 2: Convert to fraction form
87,836,592.63/121,063,199.53 = 58,415,354.57/x - Step 3: Cross multiply
87,836,592.63x = 121,063,199.53 × 58,415,354.57 - Step 4: Simplify right side
87,836,592.63x = 7,071,949,725,344,336 - Step 5: Solve for x
x = 7,071,949,725,344,336/87,836,592.63 - Step 6: Final answer
x = 80,512,569.01
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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.