Finding the Fourth Proportional to 165,840,805.80, 248,761,208.70 and 146,708,929.80
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Solution
The fourth proportional to 165,840,805.80, 248,761,208.70 and 146,708,929.80 is: 220,063,394.70
Step by Step Solution
- Step 1: Write the proportion equation
165,840,805.80 : 248,761,208.70 = 146,708,929.80 : x - Step 2: Convert to fraction form
165,840,805.80/248,761,208.70 = 146,708,929.80/x - Step 3: Cross multiply
165,840,805.80x = 248,761,208.70 × 146,708,929.80 - Step 4: Simplify right side
165,840,805.80x = 36,495,490,704,131,448 - Step 5: Solve for x
x = 36,495,490,704,131,448/165,840,805.80 - Step 6: Final answer
x = 220,063,394.70
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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.