Finding the Fourth Proportional to 43,805,304.97, 60,459,407.85 and 28,143,907.45
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Solution
The fourth proportional to 43,805,304.97, 60,459,407.85 and 28,143,907.45 is: 38,843,787.99
Step by Step Solution
- Step 1: Write the proportion equation
43,805,304.97 : 60,459,407.85 = 28,143,907.45 : x - Step 2: Convert to fraction form
43,805,304.97/60,459,407.85 = 28,143,907.45/x - Step 3: Cross multiply
43,805,304.97x = 60,459,407.85 × 28,143,907.45 - Step 4: Simplify right side
43,805,304.97x = 1,701,563,979,012,203.50 - Step 5: Solve for x
x = 1,701,563,979,012,203.50/43,805,304.97 - Step 6: Final answer
x = 38,843,787.99
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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.