Finding the Fourth Proportional to 181,486,899.12, 272,228,948.64 and 45,171,364.08
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Solution
The fourth proportional to 181,486,899.12, 272,228,948.64 and 45,171,364.08 is: 67,756,697.66
Step by Step Solution
- Step 1: Write the proportion equation
181,486,899.12 : 272,228,948.64 = 45,171,364.08 : x - Step 2: Convert to fraction form
181,486,899.12/272,228,948.64 = 45,171,364.08/x - Step 3: Cross multiply
181,486,899.12x = 272,228,948.64 × 45,171,364.08 - Step 4: Simplify right side
181,486,899.12x = 12,296,952,952,133,060 - Step 5: Solve for x
x = 12,296,952,952,133,060/181,486,899.12 - Step 6: Final answer
x = 67,756,697.66
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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.