Finding the Fourth Proportional to 53,886,447.68, 74,363,327.58 and 29,106,634.40
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Solution
The fourth proportional to 53,886,447.68, 74,363,327.58 and 29,106,634.40 is: 40,167,171.56
Step by Step Solution
- Step 1: Write the proportion equation
53,886,447.68 : 74,363,327.58 = 29,106,634.40 : x - Step 2: Convert to fraction form
53,886,447.68/74,363,327.58 = 29,106,634.40/x - Step 3: Cross multiply
53,886,447.68x = 74,363,327.58 × 29,106,634.40 - Step 4: Simplify right side
53,886,447.68x = 2,164,466,188,638,496.50 - Step 5: Solve for x
x = 2,164,466,188,638,496.50/53,886,447.68 - Step 6: Final answer
x = 40,167,171.56
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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.