Finding the Fourth Proportional to 97,623,653.24, 134,720,658.06 and 54,163,485.56
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Solution
The fourth proportional to 97,623,653.24, 134,720,658.06 and 54,163,485.56 is: 74,745,619.28
Step by Step Solution
- Step 1: Write the proportion equation
97,623,653.24 : 134,720,658.06 = 54,163,485.56 : x - Step 2: Convert to fraction form
97,623,653.24/134,720,658.06 = 54,163,485.56/x - Step 3: Cross multiply
97,623,653.24x = 134,720,658.06 × 54,163,485.56 - Step 4: Simplify right side
97,623,653.24x = 7,296,940,417,466,508 - Step 5: Solve for x
x = 7,296,940,417,466,508/97,623,653.24 - Step 6: Final answer
x = 74,745,619.28
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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.