Finding the Fourth Proportional to 68,430,225.60, 94,433,830.56 and 37,489,728.96
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Solution
The fourth proportional to 68,430,225.60, 94,433,830.56 and 37,489,728.96 is: 51,735,891.29
Step by Step Solution
- Step 1: Write the proportion equation
68,430,225.60 : 94,433,830.56 = 37,489,728.96 : x - Step 2: Convert to fraction form
68,430,225.60/94,433,830.56 = 37,489,728.96/x - Step 3: Cross multiply
68,430,225.60x = 94,433,830.56 × 37,489,728.96 - Step 4: Simplify right side
68,430,225.60x = 3,540,298,712,348,965 - Step 5: Solve for x
x = 3,540,298,712,348,965/68,430,225.60 - Step 6: Final answer
x = 51,735,891.29
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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.