Finding the Fourth Proportional to 288,717,713.70, 433,102,029.39 and 81,457,937.70
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Solution
The fourth proportional to 288,717,713.70, 433,102,029.39 and 81,457,937.70 is: 122,194,089.43
Step by Step Solution
- Step 1: Write the proportion equation
288,717,713.70 : 433,102,029.39 = 81,457,937.70 : x - Step 2: Convert to fraction form
288,717,713.70/433,102,029.39 = 81,457,937.70/x - Step 3: Cross multiply
288,717,713.70x = 433,102,029.39 × 81,457,937.70 - Step 4: Simplify right side
288,717,713.70x = 35,279,598,127,794,188 - Step 5: Solve for x
x = 35,279,598,127,794,188/288,717,713.70 - Step 6: Final answer
x = 122,194,089.43
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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.