Finding the Fourth Proportional to 45,495,639.75, 68,243,459.63 and 15,203,502.75
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Solution
The fourth proportional to 45,495,639.75, 68,243,459.63 and 15,203,502.75 is: 22,805,254.13
Step by Step Solution
- Step 1: Write the proportion equation
45,495,639.75 : 68,243,459.63 = 15,203,502.75 : x - Step 2: Convert to fraction form
45,495,639.75/68,243,459.63 = 15,203,502.75/x - Step 3: Cross multiply
45,495,639.75x = 68,243,459.63 × 15,203,502.75 - Step 4: Simplify right side
45,495,639.75x = 1,037,539,626,078,201.50 - Step 5: Solve for x
x = 1,037,539,626,078,201.50/45,495,639.75 - Step 6: Final answer
x = 22,805,254.13
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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.