Finding the Fourth Proportional to 149,761,620, 224,642,430 and 36,294,228
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Solution
The fourth proportional to 149,761,620, 224,642,430 and 36,294,228 is: 54,441,342
Step by Step Solution
- Step 1: Write the proportion equation
149,761,620 : 224,642,430 = 36,294,228 : x - Step 2: Convert to fraction form
149,761,620/224,642,430 = 36,294,228/x - Step 3: Cross multiply
149,761,620x = 224,642,430 × 36,294,228 - Step 4: Simplify right side
149,761,620x = 8,153,223,572,894,040 - Step 5: Solve for x
x = 8,153,223,572,894,040/149,761,620 - Step 6: Final answer
x = 54,441,342
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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.