Finding the Fourth Proportional to 64,139,629.50, 96,225,485.85 and 18,701,424
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Solution
The fourth proportional to 64,139,629.50, 96,225,485.85 and 18,701,424 is: 28,056,813.31
Step by Step Solution
- Step 1: Write the proportion equation
64,139,629.50 : 96,225,485.85 = 18,701,424 : x - Step 2: Convert to fraction form
64,139,629.50/96,225,485.85 = 18,701,424/x - Step 3: Cross multiply
64,139,629.50x = 96,225,485.85 × 18,701,424 - Step 4: Simplify right side
64,139,629.50x = 1,799,553,610,486,850.25 - Step 5: Solve for x
x = 1,799,553,610,486,850.25/64,139,629.50 - Step 6: Final answer
x = 28,056,813.31
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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.