Finding the Fourth Proportional to 268,112,553.12, 402,168,235.14 and 71,376,014.70
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Solution
The fourth proportional to 268,112,553.12, 402,168,235.14 and 71,376,014.70 is: 107,063,863.77
Step by Step Solution
- Step 1: Write the proportion equation
268,112,553.12 : 402,168,235.14 = 71,376,014.70 : x - Step 2: Convert to fraction form
268,112,553.12/402,168,235.14 = 71,376,014.70/x - Step 3: Cross multiply
268,112,553.12x = 402,168,235.14 × 71,376,014.70 - Step 4: Simplify right side
268,112,553.12x = 28,705,165,863,225,696 - Step 5: Solve for x
x = 28,705,165,863,225,696/268,112,553.12 - Step 6: Final answer
x = 107,063,863.77
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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.