Finding the Fourth Proportional to 63,232,214.74, 87,233,736.29 and 42,330,981.44
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Solution
The fourth proportional to 63,232,214.74, 87,233,736.29 and 42,330,981.44 is: 58,398,866.58
Step by Step Solution
- Step 1: Write the proportion equation
63,232,214.74 : 87,233,736.29 = 42,330,981.44 : x - Step 2: Convert to fraction form
63,232,214.74/87,233,736.29 = 42,330,981.44/x - Step 3: Cross multiply
63,232,214.74x = 87,233,736.29 × 42,330,981.44 - Step 4: Simplify right side
63,232,214.74x = 3,692,689,671,840,274 - Step 5: Solve for x
x = 3,692,689,671,840,274/63,232,214.74 - Step 6: Final answer
x = 58,398,866.58
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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.