Finding the Fourth Proportional to 132,537,486.24, 182,899,987.02 and 72,997,639.02
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Solution
The fourth proportional to 132,537,486.24, 182,899,987.02 and 72,997,639.02 is: 100,735,781.31
Step by Step Solution
- Step 1: Write the proportion equation
132,537,486.24 : 182,899,987.02 = 72,997,639.02 : x - Step 2: Convert to fraction form
132,537,486.24/182,899,987.02 = 72,997,639.02/x - Step 3: Cross multiply
132,537,486.24x = 182,899,987.02 × 72,997,639.02 - Step 4: Simplify right side
132,537,486.24x = 13,351,267,229,248,646 - Step 5: Solve for x
x = 13,351,267,229,248,646/132,537,486.24 - Step 6: Final answer
x = 100,735,781.31
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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.