Finding the Fourth Proportional to 98,954,993.12, 136,553,263.98 and 54,901,523.12
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Solution
The fourth proportional to 98,954,993.12, 136,553,263.98 and 54,901,523.12 is: 75,761,535.05
Step by Step Solution
- Step 1: Write the proportion equation
98,954,993.12 : 136,553,263.98 = 54,901,523.12 : x - Step 2: Convert to fraction form
98,954,993.12/136,553,263.98 = 54,901,523.12/x - Step 3: Cross multiply
98,954,993.12x = 136,553,263.98 × 54,901,523.12 - Step 4: Simplify right side
98,954,993.12x = 7,496,982,179,509,432 - Step 5: Solve for x
x = 7,496,982,179,509,432/98,954,993.12 - Step 6: Final answer
x = 75,761,535.05
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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.