Finding the Fourth Proportional to 104,731,660.80, 157,024,455.12 and 46,407,617.28
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Solution
The fourth proportional to 104,731,660.80, 157,024,455.12 and 46,407,617.28 is: 69,579,062.92
Step by Step Solution
- Step 1: Write the proportion equation
104,731,660.80 : 157,024,455.12 = 46,407,617.28 : x - Step 2: Convert to fraction form
104,731,660.80/157,024,455.12 = 46,407,617.28/x - Step 3: Cross multiply
104,731,660.80x = 157,024,455.12 × 46,407,617.28 - Step 4: Simplify right side
104,731,660.80x = 7,287,130,816,809,497 - Step 5: Solve for x
x = 7,287,130,816,809,497/104,731,660.80 - Step 6: Final answer
x = 69,579,062.92
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.