Finding the Fourth Proportional to 63,125,964.73, 87,173,995.77 and 59,686,901.74
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Solution
The fourth proportional to 63,125,964.73, 87,173,995.77 and 59,686,901.74 is: 82,424,811.12
Step by Step Solution
- Step 1: Write the proportion equation
63,125,964.73 : 87,173,995.77 = 59,686,901.74 : x - Step 2: Convert to fraction form
63,125,964.73/87,173,995.77 = 59,686,901.74/x - Step 3: Cross multiply
63,125,964.73x = 87,173,995.77 × 59,686,901.74 - Step 4: Simplify right side
63,125,964.73x = 5,203,145,719,807,166 - Step 5: Solve for x
x = 5,203,145,719,807,166/63,125,964.73 - Step 6: Final answer
x = 82,424,811.12
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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.