Finding the Fourth Proportional to 53,197,392.88, 73,410,737.47 and 31,185,552.98
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Solution
The fourth proportional to 53,197,392.88, 73,410,737.47 and 31,185,552.98 is: 43,035,087.23
Step by Step Solution
- Step 1: Write the proportion equation
53,197,392.88 : 73,410,737.47 = 31,185,552.98 : x - Step 2: Convert to fraction form
53,197,392.88/73,410,737.47 = 31,185,552.98/x - Step 3: Cross multiply
53,197,392.88x = 73,410,737.47 × 31,185,552.98 - Step 4: Simplify right side
53,197,392.88x = 2,289,354,442,943,875 - Step 5: Solve for x
x = 2,289,354,442,943,875/53,197,392.88 - Step 6: Final answer
x = 43,035,087.23
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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.