Finding the Fourth Proportional to 43,219,378.72, 59,636,122.32 and 24,881,120.80
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Solution
The fourth proportional to 43,219,378.72, 59,636,122.32 and 24,881,120.80 is: 34,332,135.43
Step by Step Solution
- Step 1: Write the proportion equation
43,219,378.72 : 59,636,122.32 = 24,881,120.80 : x - Step 2: Convert to fraction form
43,219,378.72/59,636,122.32 = 24,881,120.80/x - Step 3: Cross multiply
43,219,378.72x = 59,636,122.32 × 24,881,120.80 - Step 4: Simplify right side
43,219,378.72x = 1,483,813,563,487,496.25 - Step 5: Solve for x
x = 1,483,813,563,487,496.25/43,219,378.72 - Step 6: Final answer
x = 34,332,135.43
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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.