Finding the Fourth Proportional to 63,232,215.11, 87,233,736.81 and 42,330,981.81
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Solution
The fourth proportional to 63,232,215.11, 87,233,736.81 and 42,330,981.81 is: 58,398,867.09
Step by Step Solution
- Step 1: Write the proportion equation
63,232,215.11 : 87,233,736.81 = 42,330,981.81 : x - Step 2: Convert to fraction form
63,232,215.11/87,233,736.81 = 42,330,981.81/x - Step 3: Cross multiply
63,232,215.11x = 87,233,736.81 × 42,330,981.81 - Step 4: Simplify right side
63,232,215.11x = 3,692,689,726,122,437.50 - Step 5: Solve for x
x = 3,692,689,726,122,437.50/63,232,215.11 - Step 6: Final answer
x = 58,398,867.09
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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.