Finding the Fourth Proportional to 69,694,858.08, 96,178,983.76 and 38,754,363.12
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Solution
The fourth proportional to 69,694,858.08, 96,178,983.76 and 38,754,363.12 is: 53,481,065.37
Step by Step Solution
- Step 1: Write the proportion equation
69,694,858.08 : 96,178,983.76 = 38,754,363.12 : x - Step 2: Convert to fraction form
69,694,858.08/96,178,983.76 = 38,754,363.12/x - Step 3: Cross multiply
69,694,858.08x = 96,178,983.76 × 38,754,363.12 - Step 4: Simplify right side
69,694,858.08x = 3,727,355,261,147,623 - Step 5: Solve for x
x = 3,727,355,261,147,623/69,694,858.08 - Step 6: Final answer
x = 53,481,065.37
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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.