Finding the Fourth Proportional to 199,588,998.90, 299,383,498.35 and 97,418,579.70
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Solution
The fourth proportional to 199,588,998.90, 299,383,498.35 and 97,418,579.70 is: 146,127,869.55
Step by Step Solution
- Step 1: Write the proportion equation
199,588,998.90 : 299,383,498.35 = 97,418,579.70 : x - Step 2: Convert to fraction form
199,588,998.90/299,383,498.35 = 97,418,579.70/x - Step 3: Cross multiply
199,588,998.90x = 299,383,498.35 × 97,418,579.70 - Step 4: Simplify right side
199,588,998.90x = 29,165,515,194,874,296 - Step 5: Solve for x
x = 29,165,515,194,874,296/199,588,998.90 - Step 6: Final answer
x = 146,127,869.55
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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.