Finding the Fourth Proportional to 132,537,484.24, 182,899,984.26 and 72,997,637.02
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Solution
The fourth proportional to 132,537,484.24, 182,899,984.26 and 72,997,637.02 is: 100,735,778.55
Step by Step Solution
- Step 1: Write the proportion equation
132,537,484.24 : 182,899,984.26 = 72,997,637.02 : x - Step 2: Convert to fraction form
132,537,484.24/182,899,984.26 = 72,997,637.02/x - Step 3: Cross multiply
132,537,484.24x = 182,899,984.26 × 72,997,637.02 - Step 4: Simplify right side
132,537,484.24x = 13,351,266,661,975,192 - Step 5: Solve for x
x = 13,351,266,661,975,192/132,537,484.24 - Step 6: Final answer
x = 100,735,778.55
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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.