Finding the Fourth Proportional to 64,368,237.75, 96,543,265.99 and 20,643,314.47
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Solution
The fourth proportional to 64,368,237.75, 96,543,265.99 and 20,643,314.47 is: 30,962,056.28
Step by Step Solution
- Step 1: Write the proportion equation
64,368,237.75 : 96,543,265.99 = 20,643,314.47 : x - Step 2: Convert to fraction form
64,368,237.75/96,543,265.99 = 20,643,314.47/x - Step 3: Cross multiply
64,368,237.75x = 96,543,265.99 × 20,643,314.47 - Step 4: Simplify right side
64,368,237.75x = 1,992,972,999,792,425.75 - Step 5: Solve for x
x = 1,992,972,999,792,425.75/64,368,237.75 - Step 6: Final answer
x = 30,962,056.28
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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.