Finding the Fourth Proportional to 98,350,921.80, 147,526,382.70 and 53,001,289.80
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Solution
The fourth proportional to 98,350,921.80, 147,526,382.70 and 53,001,289.80 is: 79,501,934.70
Step by Step Solution
- Step 1: Write the proportion equation
98,350,921.80 : 147,526,382.70 = 53,001,289.80 : x - Step 2: Convert to fraction form
98,350,921.80/147,526,382.70 = 53,001,289.80/x - Step 3: Cross multiply
98,350,921.80x = 147,526,382.70 × 53,001,289.80 - Step 4: Simplify right side
98,350,921.80x = 7,819,088,562,628,405 - Step 5: Solve for x
x = 7,819,088,562,628,405/98,350,921.80 - Step 6: Final answer
x = 79,501,934.70
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1.5x scale
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.