Finding the Fourth Proportional to 86,602,017.81, 129,922,414.43 and 29,092,720.49
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Solution
The fourth proportional to 86,602,017.81, 129,922,414.43 and 29,092,720.49 is: 43,645,593.76
Step by Step Solution
- Step 1: Write the proportion equation
86,602,017.81 : 129,922,414.43 = 29,092,720.49 : x - Step 2: Convert to fraction form
86,602,017.81/129,922,414.43 = 29,092,720.49/x - Step 3: Cross multiply
86,602,017.81x = 129,922,414.43 × 29,092,720.49 - Step 4: Simplify right side
86,602,017.81x = 3,779,796,488,090,066 - Step 5: Solve for x
x = 3,779,796,488,090,066/86,602,017.81 - Step 6: Final answer
x = 43,645,593.76
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.