Finding the Fourth Proportional to 70,780,175.76, 97,692,573.60 and 46,319,718
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Solution
The fourth proportional to 70,780,175.76, 97,692,573.60 and 46,319,718 is: 63,931,636.38
Step by Step Solution
- Step 1: Write the proportion equation
70,780,175.76 : 97,692,573.60 = 46,319,718 : x - Step 2: Convert to fraction form
70,780,175.76/97,692,573.60 = 46,319,718/x - Step 3: Cross multiply
70,780,175.76x = 97,692,573.60 × 46,319,718 - Step 4: Simplify right side
70,780,175.76x = 4,525,092,459,846,245 - Step 5: Solve for x
x = 4,525,092,459,846,245/70,780,175.76 - Step 6: Final answer
x = 63,931,636.38
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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.