Finding the Fourth Proportional to 92,792,223.68, 128,039,033.84 and 53,626,437.26
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Solution
The fourth proportional to 92,792,223.68, 128,039,033.84 and 53,626,437.26 is: 73,996,256.82
Step by Step Solution
- Step 1: Write the proportion equation
92,792,223.68 : 128,039,033.84 = 53,626,437.26 : x - Step 2: Convert to fraction form
92,792,223.68/128,039,033.84 = 53,626,437.26/x - Step 3: Cross multiply
92,792,223.68x = 128,039,033.84 × 53,626,437.26 - Step 4: Simplify right side
92,792,223.68x = 6,866,277,214,143,450 - Step 5: Solve for x
x = 6,866,277,214,143,450/92,792,223.68 - Step 6: Final answer
x = 73,996,256.82
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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.