Finding the Fourth Proportional to 214,264,988.82, 321,438,851.55 and 91,441,513.62
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Solution
The fourth proportional to 214,264,988.82, 321,438,851.55 and 91,441,513.62 is: 137,179,925.12
Step by Step Solution
- Step 1: Write the proportion equation
214,264,988.82 : 321,438,851.55 = 91,441,513.62 : x - Step 2: Convert to fraction form
214,264,988.82/321,438,851.55 = 91,441,513.62/x - Step 3: Cross multiply
214,264,988.82x = 321,438,851.55 × 91,441,513.62 - Step 4: Simplify right side
214,264,988.82x = 29,392,855,122,006,484 - Step 5: Solve for x
x = 29,392,855,122,006,484/214,264,988.82 - Step 6: Final answer
x = 137,179,925.12
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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.