Finding the Fourth Proportional to 70,929,859.16, 97,880,986.06 and 41,580,739.32
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Solution
The fourth proportional to 70,929,859.16, 97,880,986.06 and 41,580,739.32 is: 57,380,119.09
Step by Step Solution
- Step 1: Write the proportion equation
70,929,859.16 : 97,880,986.06 = 41,580,739.32 : x - Step 2: Convert to fraction form
70,929,859.16/97,880,986.06 = 41,580,739.32/x - Step 3: Cross multiply
70,929,859.16x = 97,880,986.06 × 41,580,739.32 - Step 4: Simplify right side
70,929,859.16x = 4,069,963,765,745,414 - Step 5: Solve for x
x = 4,069,963,765,745,414/70,929,859.16 - Step 6: Final answer
x = 57,380,119.09
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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.