Finding the Fourth Proportional to 48,427,985.32, 66,831,622.52 and 27,235,170.06
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Solution
The fourth proportional to 48,427,985.32, 66,831,622.52 and 27,235,170.06 is: 37,585,098.63
Step by Step Solution
- Step 1: Write the proportion equation
48,427,985.32 : 66,831,622.52 = 27,235,170.06 : x - Step 2: Convert to fraction form
48,427,985.32/66,831,622.52 = 27,235,170.06/x - Step 3: Cross multiply
48,427,985.32x = 66,831,622.52 × 27,235,170.06 - Step 4: Simplify right side
48,427,985.32x = 1,820,170,604,717,925.75 - Step 5: Solve for x
x = 1,820,170,604,717,925.75/48,427,985.32 - Step 6: Final answer
x = 37,585,098.63
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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.