Finding the Fourth Proportional to 52,512,955.13, 72,400,509.81 and 43,058,914.99
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Solution
The fourth proportional to 52,512,955.13, 72,400,509.81 and 43,058,914.99 is: 59,366,062.89
Step by Step Solution
- Step 1: Write the proportion equation
52,512,955.13 : 72,400,509.81 = 43,058,914.99 : x - Step 2: Convert to fraction form
52,512,955.13/72,400,509.81 = 43,058,914.99/x - Step 3: Cross multiply
52,512,955.13x = 72,400,509.81 × 43,058,914.99 - Step 4: Simplify right side
52,512,955.13x = 3,117,487,396,960,449.50 - Step 5: Solve for x
x = 3,117,487,396,960,449.50/52,512,955.13 - Step 6: Final answer
x = 59,366,062.89
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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.