Finding the Fourth Proportional to 107,772,884.37, 148,726,639.98 and 58,213,257.78
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Solution
The fourth proportional to 107,772,884.37, 148,726,639.98 and 58,213,257.78 is: 80,334,327.90
Step by Step Solution
- Step 1: Write the proportion equation
107,772,884.37 : 148,726,639.98 = 58,213,257.78 : x - Step 2: Convert to fraction form
107,772,884.37/148,726,639.98 = 58,213,257.78/x - Step 3: Cross multiply
107,772,884.37x = 148,726,639.98 × 58,213,257.78 - Step 4: Simplify right side
107,772,884.37x = 8,657,862,231,908,994 - Step 5: Solve for x
x = 8,657,862,231,908,994/107,772,884.37 - Step 6: Final answer
x = 80,334,327.90
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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.