Finding the Fourth Proportional to 51,602,220.79, 71,195,033.20 and 29,271,526.51
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Solution
The fourth proportional to 51,602,220.79, 71,195,033.20 and 29,271,526.51 is: 40,385,612.67
Step by Step Solution
- Step 1: Write the proportion equation
51,602,220.79 : 71,195,033.20 = 29,271,526.51 : x - Step 2: Convert to fraction form
51,602,220.79/71,195,033.20 = 29,271,526.51/x - Step 3: Cross multiply
51,602,220.79x = 71,195,033.20 × 29,271,526.51 - Step 4: Simplify right side
51,602,220.79x = 2,083,987,301,694,130.25 - Step 5: Solve for x
x = 2,083,987,301,694,130.25/51,602,220.79 - Step 6: Final answer
x = 40,385,612.67
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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.