Finding the Fourth Proportional to 202,752,079.80, 304,128,119.70 and 51,462,223.80
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Solution
The fourth proportional to 202,752,079.80, 304,128,119.70 and 51,462,223.80 is: 77,193,335.70
Step by Step Solution
- Step 1: Write the proportion equation
202,752,079.80 : 304,128,119.70 = 51,462,223.80 : x - Step 2: Convert to fraction form
202,752,079.80/304,128,119.70 = 51,462,223.80/x - Step 3: Cross multiply
202,752,079.80x = 304,128,119.70 × 51,462,223.80 - Step 4: Simplify right side
202,752,079.80x = 15,651,109,359,874,588 - Step 5: Solve for x
x = 15,651,109,359,874,588/202,752,079.80 - Step 6: Final answer
x = 77,193,335.70
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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.