Finding the Fourth Proportional to 163,989,572.93, 226,308,299.28 and 97,915,845.09
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Solution
The fourth proportional to 163,989,572.93, 226,308,299.28 and 97,915,845.09 is: 135,125,471.57
Step by Step Solution
- Step 1: Write the proportion equation
163,989,572.93 : 226,308,299.28 = 97,915,845.09 : x - Step 2: Convert to fraction form
163,989,572.93/226,308,299.28 = 97,915,845.09/x - Step 3: Cross multiply
163,989,572.93x = 226,308,299.28 × 97,915,845.09 - Step 4: Simplify right side
163,989,572.93x = 22,159,168,374,637,052 - Step 5: Solve for x
x = 22,159,168,374,637,052/163,989,572.93 - Step 6: Final answer
x = 135,125,471.57
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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.