Finding the Fourth Proportional to 98,124,199.93, 135,412,304.07 and 54,072,775.23
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Solution
The fourth proportional to 98,124,199.93, 135,412,304.07 and 54,072,775.23 is: 74,620,930.28
Step by Step Solution
- Step 1: Write the proportion equation
98,124,199.93 : 135,412,304.07 = 54,072,775.23 : x - Step 2: Convert to fraction form
98,124,199.93/135,412,304.07 = 54,072,775.23/x - Step 3: Cross multiply
98,124,199.93x = 135,412,304.07 × 54,072,775.23 - Step 4: Simplify right side
98,124,199.93x = 7,322,119,081,353,523 - Step 5: Solve for x
x = 7,322,119,081,353,523/98,124,199.93 - Step 6: Final answer
x = 74,620,930.28
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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.