Finding the Fourth Proportional to 63,232,197.84, 87,233,712.99 and 42,330,964.55
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Solution
The fourth proportional to 63,232,197.84, 87,233,712.99 and 42,330,964.55 is: 58,398,843.28
Step by Step Solution
- Step 1: Write the proportion equation
63,232,197.84 : 87,233,712.99 = 42,330,964.55 : x - Step 2: Convert to fraction form
63,232,197.84/87,233,712.99 = 42,330,964.55/x - Step 3: Cross multiply
63,232,197.84x = 87,233,712.99 × 42,330,964.55 - Step 4: Simplify right side
63,232,197.84x = 3,692,687,211,708,396 - Step 5: Solve for x
x = 3,692,687,211,708,396/63,232,197.84 - Step 6: Final answer
x = 58,398,843.28
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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.