Finding the Fourth Proportional to 88,979,809.30, 133,469,713.95 and 69,869,511.70
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Solution
The fourth proportional to 88,979,809.30, 133,469,713.95 and 69,869,511.70 is: 104,804,267.55
Step by Step Solution
- Step 1: Write the proportion equation
88,979,809.30 : 133,469,713.95 = 69,869,511.70 : x - Step 2: Convert to fraction form
88,979,809.30/133,469,713.95 = 69,869,511.70/x - Step 3: Cross multiply
88,979,809.30x = 133,469,713.95 × 69,869,511.70 - Step 4: Simplify right side
88,979,809.30x = 9,325,463,740,425,178 - Step 5: Solve for x
x = 9,325,463,740,425,178/88,979,809.30 - Step 6: Final answer
x = 104,804,267.55
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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.