Finding the Fourth Proportional to 189,374,589.12, 283,810,761.40 and 97,254,606.18
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Solution
The fourth proportional to 189,374,589.12, 283,810,761.40 and 97,254,606.18 is: 145,752,943.72
Step by Step Solution
- Step 1: Write the proportion equation
189,374,589.12 : 283,810,761.40 = 97,254,606.18 : x - Step 2: Convert to fraction form
189,374,589.12/283,810,761.40 = 97,254,606.18/x - Step 3: Cross multiply
189,374,589.12x = 283,810,761.40 × 97,254,606.18 - Step 4: Simplify right side
189,374,589.12x = 27,601,903,829,602,944 - Step 5: Solve for x
x = 27,601,903,829,602,944/189,374,589.12 - Step 6: Final answer
x = 145,752,943.72
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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.