Finding the Fourth Proportional to 202,464,880.12, 304,181,815.77 and 129,823,980.76
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Solution
The fourth proportional to 202,464,880.12, 304,181,815.77 and 129,823,980.76 is: 195,046,638.09
Step by Step Solution
- Step 1: Write the proportion equation
202,464,880.12 : 304,181,815.77 = 129,823,980.76 : x - Step 2: Convert to fraction form
202,464,880.12/304,181,815.77 = 129,823,980.76/x - Step 3: Cross multiply
202,464,880.12x = 304,181,815.77 × 129,823,980.76 - Step 4: Simplify right side
202,464,880.12x = 39,490,094,198,066,344 - Step 5: Solve for x
x = 39,490,094,198,066,344/202,464,880.12 - Step 6: Final answer
x = 195,046,638.09
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.