Finding the Fourth Proportional to 42,203,415.24, 58,239,461.88 and 23,365,836.54
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Solution
The fourth proportional to 42,203,415.24, 58,239,461.88 and 23,365,836.54 is: 32,244,161.73
Step by Step Solution
- Step 1: Write the proportion equation
42,203,415.24 : 58,239,461.88 = 23,365,836.54 : x - Step 2: Convert to fraction form
42,203,415.24/58,239,461.88 = 23,365,836.54/x - Step 3: Cross multiply
42,203,415.24x = 58,239,461.88 × 23,365,836.54 - Step 4: Simplify right side
42,203,415.24x = 1,360,813,746,465,641 - Step 5: Solve for x
x = 1,360,813,746,465,641/42,203,415.24 - Step 6: Final answer
x = 32,244,161.73
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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.