Finding the Fourth Proportional to 64,431,309.08, 88,915,220.99 and 35,457,933.08
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Solution
The fourth proportional to 64,431,309.08, 88,915,220.99 and 35,457,933.08 is: 48,931,955.60
Step by Step Solution
- Step 1: Write the proportion equation
64,431,309.08 : 88,915,220.99 = 35,457,933.08 : x - Step 2: Convert to fraction form
64,431,309.08/88,915,220.99 = 35,457,933.08/x - Step 3: Cross multiply
64,431,309.08x = 88,915,220.99 × 35,457,933.08 - Step 4: Simplify right side
64,431,309.08x = 3,152,749,955,034,966 - Step 5: Solve for x
x = 3,152,749,955,034,966/64,431,309.08 - Step 6: Final answer
x = 48,931,955.60
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1.5x scale
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.