Finding the Fourth Proportional to 111,046,412.08, 153,242,464.44 and 61,482,032.56
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Solution
The fourth proportional to 111,046,412.08, 153,242,464.44 and 61,482,032.56 is: 84,844,327.81
Step by Step Solution
- Step 1: Write the proportion equation
111,046,412.08 : 153,242,464.44 = 61,482,032.56 : x - Step 2: Convert to fraction form
111,046,412.08/153,242,464.44 = 61,482,032.56/x - Step 3: Cross multiply
111,046,412.08x = 153,242,464.44 × 61,482,032.56 - Step 4: Simplify right side
111,046,412.08x = 9,421,658,188,274,722 - Step 5: Solve for x
x = 9,421,658,188,274,722/111,046,412.08 - Step 6: Final answer
x = 84,844,327.81
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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.