Finding the Fourth Proportional to 199,701,243.20, 299,551,864.80 and 177,026,427.20
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Solution
The fourth proportional to 199,701,243.20, 299,551,864.80 and 177,026,427.20 is: 265,539,640.80
Step by Step Solution
- Step 1: Write the proportion equation
199,701,243.20 : 299,551,864.80 = 177,026,427.20 : x - Step 2: Convert to fraction form
199,701,243.20/299,551,864.80 = 177,026,427.20/x - Step 3: Cross multiply
199,701,243.20x = 299,551,864.80 × 177,026,427.20 - Step 4: Simplify right side
199,701,243.20x = 53,028,596,386,641,440 - Step 5: Solve for x
x = 53,028,596,386,641,440/199,701,243.20 - Step 6: Final answer
x = 265,539,640.80
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1.5x scale
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.