Finding the Fourth Proportional to 58,616,915.84, 87,814,392.37 and 39,127,375.13
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Solution
The fourth proportional to 58,616,915.84, 87,814,392.37 and 39,127,375.13 is: 58,616,981.50
Step by Step Solution
- Step 1: Write the proportion equation
58,616,915.84 : 87,814,392.37 = 39,127,375.13 : x - Step 2: Convert to fraction form
58,616,915.84/87,814,392.37 = 39,127,375.13/x - Step 3: Cross multiply
58,616,915.84x = 87,814,392.37 × 39,127,375.13 - Step 4: Simplify right side
58,616,915.84x = 3,435,946,671,439,290.50 - Step 5: Solve for x
x = 3,435,946,671,439,290.50/58,616,915.84 - Step 6: Final answer
x = 58,616,981.50
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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.