Finding the Fourth Proportional to 66,871,977.18, 92,293,415.58 and 40,781,629.68
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Solution
The fourth proportional to 66,871,977.18, 92,293,415.58 and 40,781,629.68 is: 56,284,800.52
Step by Step Solution
- Step 1: Write the proportion equation
66,871,977.18 : 92,293,415.58 = 40,781,629.68 : x - Step 2: Convert to fraction form
66,871,977.18/92,293,415.58 = 40,781,629.68/x - Step 3: Cross multiply
66,871,977.18x = 92,293,415.58 × 40,781,629.68 - Step 4: Simplify right side
66,871,977.18x = 3,763,875,896,085,902.50 - Step 5: Solve for x
x = 3,763,875,896,085,902.50/66,871,977.18 - Step 6: Final answer
x = 56,284,800.52
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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.