Finding the Fourth Proportional to 66,208,045.60, 99,326,362.84 and 20,153,515.96
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Solution
The fourth proportional to 66,208,045.60, 99,326,362.84 and 20,153,515.96 is: 30,234,625.12
Step by Step Solution
- Step 1: Write the proportion equation
66,208,045.60 : 99,326,362.84 = 20,153,515.96 : x - Step 2: Convert to fraction form
66,208,045.60/99,326,362.84 = 20,153,515.96/x - Step 3: Cross multiply
66,208,045.60x = 99,326,362.84 × 20,153,515.96 - Step 4: Simplify right side
66,208,045.60x = 2,001,775,438,744,691 - Step 5: Solve for x
x = 2,001,775,438,744,691/66,208,045.60 - Step 6: Final answer
x = 30,234,625.12
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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.