Finding the Fourth Proportional to 202,630,911.99, 279,630,897.75 and 109,811,419.85
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Solution
The fourth proportional to 202,630,911.99, 279,630,897.75 and 109,811,419.85 is: 151,539,889.02
Step by Step Solution
- Step 1: Write the proportion equation
202,630,911.99 : 279,630,897.75 = 109,811,419.85 : x - Step 2: Convert to fraction form
202,630,911.99/279,630,897.75 = 109,811,419.85/x - Step 3: Cross multiply
202,630,911.99x = 279,630,897.75 × 109,811,419.85 - Step 4: Simplify right side
202,630,911.99x = 30,706,665,914,459,516 - Step 5: Solve for x
x = 30,706,665,914,459,516/202,630,911.99 - Step 6: Final answer
x = 151,539,889.02
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.