Finding the Fourth Proportional to 113,449,489.58, 156,558,169.20 and 69,393,252.12
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Solution
The fourth proportional to 113,449,489.58, 156,558,169.20 and 69,393,252.12 is: 95,761,387.26
Step by Step Solution
- Step 1: Write the proportion equation
113,449,489.58 : 156,558,169.20 = 69,393,252.12 : x - Step 2: Convert to fraction form
113,449,489.58/156,558,169.20 = 69,393,252.12/x - Step 3: Cross multiply
113,449,489.58x = 156,558,169.20 × 69,393,252.12 - Step 4: Simplify right side
113,449,489.58x = 10,864,080,506,413,970 - Step 5: Solve for x
x = 10,864,080,506,413,970/113,449,489.58 - Step 6: Final answer
x = 95,761,387.26
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.