Finding the Fourth Proportional to 64,457,695, 96,689,210.64 and 19,019,489.50
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Solution
The fourth proportional to 64,457,695, 96,689,210.64 and 19,019,489.50 is: 28,530,021.54
Step by Step Solution
- Step 1: Write the proportion equation
64,457,695 : 96,689,210.64 = 19,019,489.50 : x - Step 2: Convert to fraction form
64,457,695/96,689,210.64 = 19,019,489.50/x - Step 3: Cross multiply
64,457,695x = 96,689,210.64 × 19,019,489.50 - Step 4: Simplify right side
64,457,695x = 1,838,979,426,530,768.25 - Step 5: Solve for x
x = 1,838,979,426,530,768.25/64,457,695 - Step 6: Final answer
x = 28,530,021.54
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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.