Finding the Fourth Proportional to 66,051,022.80, 98,982,055.80 and 48,643,377.60
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Solution
The fourth proportional to 66,051,022.80, 98,982,055.80 and 48,643,377.60 is: 72,895,487.64
Step by Step Solution
- Step 1: Write the proportion equation
66,051,022.80 : 98,982,055.80 = 48,643,377.60 : x - Step 2: Convert to fraction form
66,051,022.80/98,982,055.80 = 48,643,377.60/x - Step 3: Cross multiply
66,051,022.80x = 98,982,055.80 × 48,643,377.60 - Step 4: Simplify right side
66,051,022.80x = 4,814,821,515,903,670 - Step 5: Solve for x
x = 4,814,821,515,903,670/66,051,022.80 - Step 6: Final answer
x = 72,895,487.64
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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.