Finding the Fourth Proportional to 351,823,802.12, 485,575,123.38 and 195,241,203.08
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Solution
The fourth proportional to 351,823,802.12, 485,575,123.38 and 195,241,203.08 is: 269,465,200.20
Step by Step Solution
- Step 1: Write the proportion equation
351,823,802.12 : 485,575,123.38 = 195,241,203.08 : x - Step 2: Convert to fraction form
351,823,802.12/485,575,123.38 = 195,241,203.08/x - Step 3: Cross multiply
351,823,802.12x = 485,575,123.38 × 195,241,203.08 - Step 4: Simplify right side
351,823,802.12x = 94,804,271,274,430,640 - Step 5: Solve for x
x = 94,804,271,274,430,640/351,823,802.12 - Step 6: Final answer
x = 269,465,200.20
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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.