Finding the Fourth Proportional to 199,589,112.90, 299,383,669.35 and 97,418,693.70
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Solution
The fourth proportional to 199,589,112.90, 299,383,669.35 and 97,418,693.70 is: 146,128,040.55
Step by Step Solution
- Step 1: Write the proportion equation
199,589,112.90 : 299,383,669.35 = 97,418,693.70 : x - Step 2: Convert to fraction form
199,589,112.90/299,383,669.35 = 97,418,693.70/x - Step 3: Cross multiply
199,589,112.90x = 299,383,669.35 × 97,418,693.70 - Step 4: Simplify right side
199,589,112.90x = 29,165,565,983,189,732 - Step 5: Solve for x
x = 29,165,565,983,189,732/199,589,112.90 - Step 6: Final answer
x = 146,128,040.55
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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.