Finding the Fourth Proportional to 230,718,919.59, 318,371,933.70 and 136,616,184.63
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Solution
The fourth proportional to 230,718,919.59, 318,371,933.70 and 136,616,184.63 is: 188,518,388.32
Step by Step Solution
- Step 1: Write the proportion equation
230,718,919.59 : 318,371,933.70 = 136,616,184.63 : x - Step 2: Convert to fraction form
230,718,919.59/318,371,933.70 = 136,616,184.63/x - Step 3: Cross multiply
230,718,919.59x = 318,371,933.70 × 136,616,184.63 - Step 4: Simplify right side
230,718,919.59x = 43,494,758,875,369,312 - Step 5: Solve for x
x = 43,494,758,875,369,312/230,718,919.59 - Step 6: Final answer
x = 188,518,388.32
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.