Finding the Fourth Proportional to 161,259,726.99, 222,557,315.97 and 91,655,570.63
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Solution
The fourth proportional to 161,259,726.99, 222,557,315.97 and 91,655,570.63 is: 126,495,425.56
Step by Step Solution
- Step 1: Write the proportion equation
161,259,726.99 : 222,557,315.97 = 91,655,570.63 : x - Step 2: Convert to fraction form
161,259,726.99/222,557,315.97 = 91,655,570.63/x - Step 3: Cross multiply
161,259,726.99x = 222,557,315.97 × 91,655,570.63 - Step 4: Simplify right side
161,259,726.99x = 20,398,617,791,998,776 - Step 5: Solve for x
x = 20,398,617,791,998,776/161,259,726.99 - Step 6: Final answer
x = 126,495,425.56
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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.