Finding the Fourth Proportional to 66,871,969.26, 92,293,404.60 and 40,781,621.70
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Solution
The fourth proportional to 66,871,969.26, 92,293,404.60 and 40,781,621.70 is: 56,284,789.48
Step by Step Solution
- Step 1: Write the proportion equation
66,871,969.26 : 92,293,404.60 = 40,781,621.70 : x - Step 2: Convert to fraction form
66,871,969.26/92,293,404.60 = 40,781,621.70/x - Step 3: Cross multiply
66,871,969.26x = 92,293,404.60 × 40,781,621.70 - Step 4: Simplify right side
66,871,969.26x = 3,763,874,711,802,240 - Step 5: Solve for x
x = 3,763,874,711,802,240/66,871,969.26 - Step 6: Final answer
x = 56,284,789.48
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.