Finding the Fourth Proportional to 161,030,952.99, 222,232,229.24 and 121,268,331.06
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Solution
The fourth proportional to 161,030,952.99, 222,232,229.24 and 121,268,331.06 is: 167,357,461.70
Step by Step Solution
- Step 1: Write the proportion equation
161,030,952.99 : 222,232,229.24 = 121,268,331.06 : x - Step 2: Convert to fraction form
161,030,952.99/222,232,229.24 = 121,268,331.06/x - Step 3: Cross multiply
161,030,952.99x = 222,232,229.24 × 121,268,331.06 - Step 4: Simplify right side
161,030,952.99x = 26,949,731,547,071,792 - Step 5: Solve for x
x = 26,949,731,547,071,792/161,030,952.99 - Step 6: Final answer
x = 167,357,461.70
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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.