Finding the Fourth Proportional to 98,243,690.64, 135,613,644.84 and 73,868,211.60
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Solution
The fourth proportional to 98,243,690.64, 135,613,644.84 and 73,868,211.60 is: 101,966,216.33
Step by Step Solution
- Step 1: Write the proportion equation
98,243,690.64 : 135,613,644.84 = 73,868,211.60 : x - Step 2: Convert to fraction form
98,243,690.64/135,613,644.84 = 73,868,211.60/x - Step 3: Cross multiply
98,243,690.64x = 135,613,644.84 × 73,868,211.60 - Step 4: Simplify right side
98,243,690.64x = 10,017,537,412,888,368 - Step 5: Solve for x
x = 10,017,537,412,888,368/98,243,690.64 - Step 6: Final answer
x = 101,966,216.33
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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.