Finding the Fourth Proportional to 199,700,459.20, 299,550,688.80 and 177,025,643.20
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Solution
The fourth proportional to 199,700,459.20, 299,550,688.80 and 177,025,643.20 is: 265,538,464.80
Step by Step Solution
- Step 1: Write the proportion equation
199,700,459.20 : 299,550,688.80 = 177,025,643.20 : x - Step 2: Convert to fraction form
199,700,459.20/299,550,688.80 = 177,025,643.20/x - Step 3: Cross multiply
199,700,459.20x = 299,550,688.80 × 177,025,643.20 - Step 4: Simplify right side
199,700,459.20x = 53,028,153,355,823,032 - Step 5: Solve for x
x = 53,028,153,355,823,032/199,700,459.20 - Step 6: Final answer
x = 265,538,464.80
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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.