Finding the Fourth Proportional to 98,173,309.23, 135,479,577.38 and 54,119,341.08
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Solution
The fourth proportional to 98,173,309.23, 135,479,577.38 and 54,119,341.08 is: 74,684,917.06
Step by Step Solution
- Step 1: Write the proportion equation
98,173,309.23 : 135,479,577.38 = 54,119,341.08 : x - Step 2: Convert to fraction form
98,173,309.23/135,479,577.38 = 54,119,341.08/x - Step 3: Cross multiply
98,173,309.23x = 135,479,577.38 × 54,119,341.08 - Step 4: Simplify right side
98,173,309.23x = 7,332,065,457,331,876 - Step 5: Solve for x
x = 7,332,065,457,331,876/98,173,309.23 - Step 6: Final answer
x = 74,684,917.06
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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.