Finding the Fourth Proportional to 266,119,098.70, 399,178,648.05 and 129,891,873.10
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Solution
The fourth proportional to 266,119,098.70, 399,178,648.05 and 129,891,873.10 is: 194,837,809.65
Step by Step Solution
- Step 1: Write the proportion equation
266,119,098.70 : 399,178,648.05 = 129,891,873.10 : x - Step 2: Convert to fraction form
266,119,098.70/399,178,648.05 = 129,891,873.10/x - Step 3: Cross multiply
266,119,098.70x = 399,178,648.05 × 129,891,873.10 - Step 4: Simplify right side
266,119,098.70x = 51,850,062,296,740,160 - Step 5: Solve for x
x = 51,850,062,296,740,160/266,119,098.70 - Step 6: Final answer
x = 194,837,809.65
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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.