Finding the Fourth Proportional to 49,871,569.60, 74,665,636.80 and 44,202,865.60
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Solution
The fourth proportional to 49,871,569.60, 74,665,636.80 and 44,202,865.60 is: 66,178,689.28
Step by Step Solution
- Step 1: Write the proportion equation
49,871,569.60 : 74,665,636.80 = 44,202,865.60 : x - Step 2: Convert to fraction form
49,871,569.60/74,665,636.80 = 44,202,865.60/x - Step 3: Cross multiply
49,871,569.60x = 74,665,636.80 × 44,202,865.60 - Step 4: Simplify right side
49,871,569.60x = 3,300,435,108,408,814 - Step 5: Solve for x
x = 3,300,435,108,408,814/49,871,569.60 - Step 6: Final answer
x = 66,178,689.28
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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.