Finding the Fourth Proportional to 98,681,119.08, 136,181,556.66 and 54,026,346.12
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Solution
The fourth proportional to 98,681,119.08, 136,181,556.66 and 54,026,346.12 is: 74,557,240.37
Step by Step Solution
- Step 1: Write the proportion equation
98,681,119.08 : 136,181,556.66 = 54,026,346.12 : x - Step 2: Convert to fraction form
98,681,119.08/136,181,556.66 = 54,026,346.12/x - Step 3: Cross multiply
98,681,119.08x = 136,181,556.66 × 54,026,346.12 - Step 4: Simplify right side
98,681,119.08x = 7,357,391,915,273,551 - Step 5: Solve for x
x = 7,357,391,915,273,551/98,681,119.08 - Step 6: Final answer
x = 74,557,240.37
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1.5x scale
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.