Finding the Fourth Proportional to 268,620,581.95, 403,013,104.81 and 137,555,656.31
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Solution
The fourth proportional to 268,620,581.95, 403,013,104.81 and 137,555,656.31 is: 206,375,593.90
Step by Step Solution
- Step 1: Write the proportion equation
268,620,581.95 : 403,013,104.81 = 137,555,656.31 : x - Step 2: Convert to fraction form
268,620,581.95/403,013,104.81 = 137,555,656.31/x - Step 3: Cross multiply
268,620,581.95x = 403,013,104.81 × 137,555,656.31 - Step 4: Simplify right side
268,620,581.95x = 55,436,732,133,670,368 - Step 5: Solve for x
x = 55,436,732,133,670,368/268,620,581.95 - Step 6: Final answer
x = 206,375,593.90
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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.