Finding the Fourth Proportional to 68,548,239.34, 94,596,570.29 and 39,180,202.46
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Solution
The fourth proportional to 68,548,239.34, 94,596,570.29 and 39,180,202.46 is: 54,068,679.40
Step by Step Solution
- Step 1: Write the proportion equation
68,548,239.34 : 94,596,570.29 = 39,180,202.46 : x - Step 2: Convert to fraction form
68,548,239.34/94,596,570.29 = 39,180,202.46/x - Step 3: Cross multiply
68,548,239.34x = 94,596,570.29 × 39,180,202.46 - Step 4: Simplify right side
68,548,239.34x = 3,706,312,776,024,411 - Step 5: Solve for x
x = 3,706,312,776,024,411/68,548,239.34 - Step 6: Final answer
x = 54,068,679.40
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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.