Finding the Fourth Proportional to 309,168,244.80, 463,752,067.68 and 79,136,959.68
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Solution
The fourth proportional to 309,168,244.80, 463,752,067.68 and 79,136,959.68 is: 118,705,362.85
Step by Step Solution
- Step 1: Write the proportion equation
309,168,244.80 : 463,752,067.68 = 79,136,959.68 : x - Step 2: Convert to fraction form
309,168,244.80/463,752,067.68 = 79,136,959.68/x - Step 3: Cross multiply
309,168,244.80x = 463,752,067.68 × 79,136,959.68 - Step 4: Simplify right side
309,168,244.80x = 36,699,928,681,508,792 - Step 5: Solve for x
x = 36,699,928,681,508,792/309,168,244.80 - Step 6: Final answer
x = 118,705,362.85
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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.