Finding the Fourth Proportional to 212,276,790.36, 318,416,968.62 and 58,934,804.76
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Solution
The fourth proportional to 212,276,790.36, 318,416,968.62 and 58,934,804.76 is: 88,402,702.18
Step by Step Solution
- Step 1: Write the proportion equation
212,276,790.36 : 318,416,968.62 = 58,934,804.76 : x - Step 2: Convert to fraction form
212,276,790.36/318,416,968.62 = 58,934,804.76/x - Step 3: Cross multiply
212,276,790.36x = 318,416,968.62 × 58,934,804.76 - Step 4: Simplify right side
212,276,790.36x = 18,765,841,877,890,748 - Step 5: Solve for x
x = 18,765,841,877,890,748/212,276,790.36 - Step 6: Final answer
x = 88,402,702.18
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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.