Finding the Fourth Proportional to 238,331,675.08, 357,498,654.39 and 72,336,621.94
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Solution
The fourth proportional to 238,331,675.08, 357,498,654.39 and 72,336,621.94 is: 108,505,279.45
Step by Step Solution
- Step 1: Write the proportion equation
238,331,675.08 : 357,498,654.39 = 72,336,621.94 : x - Step 2: Convert to fraction form
238,331,675.08/357,498,654.39 = 72,336,621.94/x - Step 3: Cross multiply
238,331,675.08x = 357,498,654.39 × 72,336,621.94 - Step 4: Simplify right side
238,331,675.08x = 25,860,245,006,668,148 - Step 5: Solve for x
x = 25,860,245,006,668,148/238,331,675.08 - Step 6: Final answer
x = 108,505,279.45
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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.