Finding the Fourth Proportional to 42,236,351.68, 58,286,165.34 and 22,920,767.68
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Solution
The fourth proportional to 42,236,351.68, 58,286,165.34 and 22,920,767.68 is: 31,630,659.41
Step by Step Solution
- Step 1: Write the proportion equation
42,236,351.68 : 58,286,165.34 = 22,920,767.68 : x - Step 2: Convert to fraction form
42,236,351.68/58,286,165.34 = 22,920,767.68/x - Step 3: Cross multiply
42,236,351.68x = 58,286,165.34 × 22,920,767.68 - Step 4: Simplify right side
42,236,351.68x = 1,335,963,654,716,208.25 - Step 5: Solve for x
x = 1,335,963,654,716,208.25/42,236,351.68 - Step 6: Final answer
x = 31,630,659.41
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1.5x scale
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.