Finding the Fourth Proportional to 98,450,189.10, 147,767,972.04 and 49,962,840.84
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Solution
The fourth proportional to 98,450,189.10, 147,767,972.04 and 49,962,840.84 is: 74,991,300.02
Step by Step Solution
- Step 1: Write the proportion equation
98,450,189.10 : 147,767,972.04 = 49,962,840.84 : x - Step 2: Convert to fraction form
98,450,189.10/147,767,972.04 = 49,962,840.84/x - Step 3: Cross multiply
98,450,189.10x = 147,767,972.04 × 49,962,840.84 - Step 4: Simplify right side
98,450,189.10x = 7,382,907,668,284,090 - Step 5: Solve for x
x = 7,382,907,668,284,090/98,450,189.10 - Step 6: Final answer
x = 74,991,300.02
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.