Finding the Fourth Proportional to 94,176,534.80, 141,264,802.20 and 81,411,453.20
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Solution
The fourth proportional to 94,176,534.80, 141,264,802.20 and 81,411,453.20 is: 122,117,179.80
Step by Step Solution
- Step 1: Write the proportion equation
94,176,534.80 : 141,264,802.20 = 81,411,453.20 : x - Step 2: Convert to fraction form
94,176,534.80/141,264,802.20 = 81,411,453.20/x - Step 3: Cross multiply
94,176,534.80x = 141,264,802.20 × 81,411,453.20 - Step 4: Simplify right side
94,176,534.80x = 11,500,572,833,112,556 - Step 5: Solve for x
x = 11,500,572,833,112,556/94,176,534.80 - Step 6: Final answer
x = 122,117,179.80
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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.