Finding the Fourth Proportional to 228,961,251.70, 343,441,877.55 and 137,128,246.90
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Solution
The fourth proportional to 228,961,251.70, 343,441,877.55 and 137,128,246.90 is: 205,692,370.35
Step by Step Solution
- Step 1: Write the proportion equation
228,961,251.70 : 343,441,877.55 = 137,128,246.90 : x - Step 2: Convert to fraction form
228,961,251.70/343,441,877.55 = 137,128,246.90/x - Step 3: Cross multiply
228,961,251.70x = 343,441,877.55 × 137,128,246.90 - Step 4: Simplify right side
228,961,251.70x = 47,095,582,580,475,968 - Step 5: Solve for x
x = 47,095,582,580,475,968/228,961,251.70 - Step 6: Final answer
x = 205,692,370.35
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.