Finding the Fourth Proportional to 69,391,427.80, 104,087,141.70 and 33,559,619.80
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Solution
The fourth proportional to 69,391,427.80, 104,087,141.70 and 33,559,619.80 is: 50,339,429.70
Step by Step Solution
- Step 1: Write the proportion equation
69,391,427.80 : 104,087,141.70 = 33,559,619.80 : x - Step 2: Convert to fraction form
69,391,427.80/104,087,141.70 = 33,559,619.80/x - Step 3: Cross multiply
69,391,427.80x = 104,087,141.70 × 33,559,619.80 - Step 4: Simplify right side
69,391,427.80x = 3,493,124,901,520,725.50 - Step 5: Solve for x
x = 3,493,124,901,520,725.50/69,391,427.80 - Step 6: Final answer
x = 50,339,429.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.