Finding the Fourth Proportional to 42,234,278.63, 58,283,304.51 and 22,918,694.63
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Solution
The fourth proportional to 42,234,278.63, 58,283,304.51 and 22,918,694.63 is: 31,627,798.59
Step by Step Solution
- Step 1: Write the proportion equation
42,234,278.63 : 58,283,304.51 = 22,918,694.63 : x - Step 2: Convert to fraction form
42,234,278.63/58,283,304.51 = 22,918,694.63/x - Step 3: Cross multiply
42,234,278.63x = 58,283,304.51 × 22,918,694.63 - Step 4: Simplify right side
42,234,278.63x = 1,335,777,257,800,575.25 - Step 5: Solve for x
x = 1,335,777,257,800,575.25/42,234,278.63 - Step 6: Final answer
x = 31,627,798.59
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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.