Finding the Fourth Proportional to 88,578,950.40, 133,010,143.20 and 67,037,875.20
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Solution
The fourth proportional to 88,578,950.40, 133,010,143.20 and 67,037,875.20 is: 100,664,066.80
Step by Step Solution
- Step 1: Write the proportion equation
88,578,950.40 : 133,010,143.20 = 67,037,875.20 : x - Step 2: Convert to fraction form
88,578,950.40/133,010,143.20 = 67,037,875.20/x - Step 3: Cross multiply
88,578,950.40x = 133,010,143.20 × 67,037,875.20 - Step 4: Simplify right side
88,578,950.40x = 8,916,717,380,175,729 - Step 5: Solve for x
x = 8,916,717,380,175,729/88,578,950.40 - Step 6: Final answer
x = 100,664,066.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.