Finding the Fourth Proportional to 194,243,614.58, 290,843,312.88 and 147,965,026.79
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Solution
The fourth proportional to 194,243,614.58, 290,843,312.88 and 147,965,026.79 is: 221,549,823.79
Step by Step Solution
- Step 1: Write the proportion equation
194,243,614.58 : 290,843,312.88 = 147,965,026.79 : x - Step 2: Convert to fraction form
194,243,614.58/290,843,312.88 = 147,965,026.79/x - Step 3: Cross multiply
194,243,614.58x = 290,843,312.88 × 147,965,026.79 - Step 4: Simplify right side
194,243,614.58x = 43,034,638,583,263,528 - Step 5: Solve for x
x = 43,034,638,583,263,528/194,243,614.58 - Step 6: Final answer
x = 221,549,823.79
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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.