Finding the Fourth Proportional to 197,129,435.12, 272,027,619.96 and 107,803,752.08
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Solution
The fourth proportional to 197,129,435.12, 272,027,619.96 and 107,803,752.08 is: 148,763,162.05
Step by Step Solution
- Step 1: Write the proportion equation
197,129,435.12 : 272,027,619.96 = 107,803,752.08 : x - Step 2: Convert to fraction form
197,129,435.12/272,027,619.96 = 107,803,752.08/x - Step 3: Cross multiply
197,129,435.12x = 272,027,619.96 × 107,803,752.08 - Step 4: Simplify right side
197,129,435.12x = 29,325,598,101,080,296 - Step 5: Solve for x
x = 29,325,598,101,080,296/197,129,435.12 - Step 6: Final answer
x = 148,763,162.05
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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.