Finding the Fourth Proportional to 142,916,585.10, 214,374,877.65 and 88,497,026.70
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Solution
The fourth proportional to 142,916,585.10, 214,374,877.65 and 88,497,026.70 is: 132,745,540.05
Step by Step Solution
- Step 1: Write the proportion equation
142,916,585.10 : 214,374,877.65 = 88,497,026.70 : x - Step 2: Convert to fraction form
142,916,585.10/214,374,877.65 = 88,497,026.70/x - Step 3: Cross multiply
142,916,585.10x = 214,374,877.65 × 88,497,026.70 - Step 4: Simplify right side
142,916,585.10x = 18,971,539,271,201,284 - Step 5: Solve for x
x = 18,971,539,271,201,284/142,916,585.10 - Step 6: Final answer
x = 132,745,540.05
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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.