Finding the Fourth Proportional to 129,458,354.41, 194,264,145.14 and 47,634,693.15
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Solution
The fourth proportional to 129,458,354.41, 194,264,145.14 and 47,634,693.15 is: 71,480,229.96
Step by Step Solution
- Step 1: Write the proportion equation
129,458,354.41 : 194,264,145.14 = 47,634,693.15 : x - Step 2: Convert to fraction form
129,458,354.41/194,264,145.14 = 47,634,693.15/x - Step 3: Cross multiply
129,458,354.41x = 194,264,145.14 × 47,634,693.15 - Step 4: Simplify right side
129,458,354.41x = 9,253,712,943,631,980 - Step 5: Solve for x
x = 9,253,712,943,631,980/129,458,354.41 - Step 6: Final answer
x = 71,480,229.96
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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.