Finding the Fourth Proportional to 99,668,305.80, 149,502,458.70 and 99,668,305.80
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Solution
The fourth proportional to 99,668,305.80, 149,502,458.70 and 99,668,305.80 is: 149,502,458.70
Step by Step Solution
- Step 1: Write the proportion equation
99,668,305.80 : 149,502,458.70 = 99,668,305.80 : x - Step 2: Convert to fraction form
99,668,305.80/149,502,458.70 = 99,668,305.80/x - Step 3: Cross multiply
99,668,305.80x = 149,502,458.70 × 99,668,305.80 - Step 4: Simplify right side
99,668,305.80x = 14,900,656,771,563,468 - Step 5: Solve for x
x = 14,900,656,771,563,468/99,668,305.80 - Step 6: Final answer
x = 149,502,458.70
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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.