Finding the Fourth Proportional to 212,593,959.42, 293,379,661.71 and 114,808,815.42
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Solution
The fourth proportional to 212,593,959.42, 293,379,661.71 and 114,808,815.42 is: 158,436,164.04
Step by Step Solution
- Step 1: Write the proportion equation
212,593,959.42 : 293,379,661.71 = 114,808,815.42 : x - Step 2: Convert to fraction form
212,593,959.42/293,379,661.71 = 114,808,815.42/x - Step 3: Cross multiply
212,593,959.42x = 293,379,661.71 × 114,808,815.42 - Step 4: Simplify right side
212,593,959.42x = 33,682,571,429,245,428 - Step 5: Solve for x
x = 33,682,571,429,245,428/212,593,959.42 - Step 6: Final answer
x = 158,436,164.04
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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.