Finding the Fourth Proportional to 290,051,974.71, 434,787,053.13 and 134,714,872.17
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Solution
The fourth proportional to 290,051,974.71, 434,787,053.13 and 134,714,872.17 is: 201,937,195.37
Step by Step Solution
- Step 1: Write the proportion equation
290,051,974.71 : 434,787,053.13 = 134,714,872.17 : x - Step 2: Convert to fraction form
290,051,974.71/434,787,053.13 = 134,714,872.17/x - Step 3: Cross multiply
290,051,974.71x = 434,787,053.13 × 134,714,872.17 - Step 4: Simplify right side
290,051,974.71x = 58,572,282,283,578,944 - Step 5: Solve for x
x = 58,572,282,283,578,944/290,051,974.71 - Step 6: Final answer
x = 201,937,195.37
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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.