Finding the Fourth Proportional to 129,024,184.80, 193,536,277.20 and 115,885,855.20
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Solution
The fourth proportional to 129,024,184.80, 193,536,277.20 and 115,885,855.20 is: 173,828,782.80
Step by Step Solution
- Step 1: Write the proportion equation
129,024,184.80 : 193,536,277.20 = 115,885,855.20 : x - Step 2: Convert to fraction form
129,024,184.80/193,536,277.20 = 115,885,855.20/x - Step 3: Cross multiply
129,024,184.80x = 193,536,277.20 × 115,885,855.20 - Step 4: Simplify right side
129,024,184.80x = 22,428,116,995,546,260 - Step 5: Solve for x
x = 22,428,116,995,546,260/129,024,184.80 - Step 6: Final answer
x = 173,828,782.80
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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.