Finding the Fourth Proportional to 288,040,165.97, 432,042,312.80 and 177,396,890.00
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Solution
The fourth proportional to 288,040,165.97, 432,042,312.80 and 177,396,890.00 is: 266,084,288.56
Step by Step Solution
- Step 1: Write the proportion equation
288,040,165.97 : 432,042,312.80 = 177,396,890.00 : x - Step 2: Convert to fraction form
288,040,165.97/432,042,312.80 = 177,396,890.00/x - Step 3: Cross multiply
288,040,165.97x = 432,042,312.80 × 177,396,890.00 - Step 4: Simplify right side
288,040,165.97x = 76,642,962,636,080,000 - Step 5: Solve for x
x = 76,642,962,636,080,000/288,040,165.97 - Step 6: Final answer
x = 266,084,288.56
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.