Finding the Fourth Proportional to 165,924,753.40, 248,887,130.10 and 149,485,511.80
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Solution
The fourth proportional to 165,924,753.40, 248,887,130.10 and 149,485,511.80 is: 224,228,267.70
Step by Step Solution
- Step 1: Write the proportion equation
165,924,753.40 : 248,887,130.10 = 149,485,511.80 : x - Step 2: Convert to fraction form
165,924,753.40/248,887,130.10 = 149,485,511.80/x - Step 3: Cross multiply
165,924,753.40x = 248,887,130.10 × 149,485,511.80 - Step 4: Simplify right side
165,924,753.40x = 37,205,020,023,431,688 - Step 5: Solve for x
x = 37,205,020,023,431,688/165,924,753.40 - Step 6: Final answer
x = 224,228,267.70
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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.