Finding the Fourth Proportional to 150,625,630.68, 207,851,962.84 and 84,533,364.38
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Solution
The fourth proportional to 150,625,630.68, 207,851,962.84 and 84,533,364.38 is: 116,649,640.78
Step by Step Solution
- Step 1: Write the proportion equation
150,625,630.68 : 207,851,962.84 = 84,533,364.38 : x - Step 2: Convert to fraction form
150,625,630.68/207,851,962.84 = 84,533,364.38/x - Step 3: Cross multiply
150,625,630.68x = 207,851,962.84 × 84,533,364.38 - Step 4: Simplify right side
150,625,630.68x = 17,570,425,710,601,346 - Step 5: Solve for x
x = 17,570,425,710,601,346/150,625,630.68 - Step 6: Final answer
x = 116,649,640.78
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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.