Finding the Fourth Proportional to 71,664,583.16, 98,865,937.94 and 45,545,110.96
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Solution
The fourth proportional to 71,664,583.16, 98,865,937.94 and 45,545,110.96 is: 62,832,432.91
Step by Step Solution
- Step 1: Write the proportion equation
71,664,583.16 : 98,865,937.94 = 45,545,110.96 : x - Step 2: Convert to fraction form
71,664,583.16/98,865,937.94 = 45,545,110.96/x - Step 3: Cross multiply
71,664,583.16x = 98,865,937.94 × 45,545,110.96 - Step 4: Simplify right side
71,664,583.16x = 4,502,860,113,641,774 - Step 5: Solve for x
x = 4,502,860,113,641,774/71,664,583.16 - Step 6: Final answer
x = 62,832,432.91
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.