Finding the Fourth Proportional to 228,814,431.84, 343,173,226.08 and 75,424,025.28
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Solution
The fourth proportional to 228,814,431.84, 343,173,226.08 and 75,424,025.28 is: 113,120,076.70
Step by Step Solution
- Step 1: Write the proportion equation
228,814,431.84 : 343,173,226.08 = 75,424,025.28 : x - Step 2: Convert to fraction form
228,814,431.84/343,173,226.08 = 75,424,025.28/x - Step 3: Cross multiply
228,814,431.84x = 343,173,226.08 × 75,424,025.28 - Step 4: Simplify right side
228,814,431.84x = 25,883,506,079,277,076 - Step 5: Solve for x
x = 25,883,506,079,277,076/228,814,431.84 - Step 6: Final answer
x = 113,120,076.70
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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.