Finding the Fourth Proportional to 156,964,042.74, 235,287,789.30 and 98,713,349.58
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Solution
The fourth proportional to 156,964,042.74, 235,287,789.30 and 98,713,349.58 is: 147,970,486.69
Step by Step Solution
- Step 1: Write the proportion equation
156,964,042.74 : 235,287,789.30 = 98,713,349.58 : x - Step 2: Convert to fraction form
156,964,042.74/235,287,789.30 = 98,713,349.58/x - Step 3: Cross multiply
156,964,042.74x = 235,287,789.30 × 98,713,349.58 - Step 4: Simplify right side
156,964,042.74x = 23,226,045,797,076,284 - Step 5: Solve for x
x = 23,226,045,797,076,284/156,964,042.74 - Step 6: Final answer
x = 147,970,486.69
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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.