Finding the Fourth Proportional to 288,283,950.30, 432,449,525.61 and 83,811,775.26
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Solution
The fourth proportional to 288,283,950.30, 432,449,525.61 and 83,811,775.26 is: 125,724,524.08
Step by Step Solution
- Step 1: Write the proportion equation
288,283,950.30 : 432,449,525.61 = 83,811,775.26 : x - Step 2: Convert to fraction form
288,283,950.30/432,449,525.61 = 83,811,775.26/x - Step 3: Cross multiply
288,283,950.30x = 432,449,525.61 × 83,811,775.26 - Step 4: Simplify right side
288,283,950.30x = 36,244,362,451,718,936 - Step 5: Solve for x
x = 36,244,362,451,718,936/288,283,950.30 - Step 6: Final answer
x = 125,724,524.08
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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.