Finding the Fourth Proportional to 39,965,203.16, 55,153,317.31 and 24,492,299.66
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Solution
The fourth proportional to 39,965,203.16, 55,153,317.31 and 24,492,299.66 is: 33,800,192.86
Step by Step Solution
- Step 1: Write the proportion equation
39,965,203.16 : 55,153,317.31 = 24,492,299.66 : x - Step 2: Convert to fraction form
39,965,203.16/55,153,317.31 = 24,492,299.66/x - Step 3: Cross multiply
39,965,203.16x = 55,153,317.31 × 24,492,299.66 - Step 4: Simplify right side
39,965,203.16x = 1,350,831,574,462,587.75 - Step 5: Solve for x
x = 1,350,831,574,462,587.75/39,965,203.16 - Step 6: Final answer
x = 33,800,192.86
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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.