Finding the Fourth Proportional to 268,419,167.13, 402,624,699.12 and 120,762,456.70
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Solution
The fourth proportional to 268,419,167.13, 402,624,699.12 and 120,762,456.70 is: 181,141,862.24
Step by Step Solution
- Step 1: Write the proportion equation
268,419,167.13 : 402,624,699.12 = 120,762,456.70 : x - Step 2: Convert to fraction form
268,419,167.13/402,624,699.12 = 120,762,456.70/x - Step 3: Cross multiply
268,419,167.13x = 402,624,699.12 × 120,762,456.70 - Step 4: Simplify right side
268,419,167.13x = 48,621,947,793,773,088 - Step 5: Solve for x
x = 48,621,947,793,773,088/268,419,167.13 - Step 6: Final answer
x = 181,141,862.24
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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.