Finding the Fourth Proportional to 132,035,432.70, 198,052,164.90 and 39,918,992.70
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Solution
The fourth proportional to 132,035,432.70, 198,052,164.90 and 39,918,992.70 is: 59,878,191.51
Step by Step Solution
- Step 1: Write the proportion equation
132,035,432.70 : 198,052,164.90 = 39,918,992.70 : x - Step 2: Convert to fraction form
132,035,432.70/198,052,164.90 = 39,918,992.70/x - Step 3: Cross multiply
132,035,432.70x = 198,052,164.90 × 39,918,992.70 - Step 4: Simplify right side
132,035,432.70x = 7,906,042,924,862,297 - Step 5: Solve for x
x = 7,906,042,924,862,297/132,035,432.70 - Step 6: Final answer
x = 59,878,191.51
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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.