Finding the Fourth Proportional to 99,668,326.05, 149,502,489.08 and 61,205,119.65
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Solution
The fourth proportional to 99,668,326.05, 149,502,489.08 and 61,205,119.65 is: 91,807,679.48
Step by Step Solution
- Step 1: Write the proportion equation
99,668,326.05 : 149,502,489.08 = 61,205,119.65 : x - Step 2: Convert to fraction form
99,668,326.05/149,502,489.08 = 61,205,119.65/x - Step 3: Cross multiply
99,668,326.05x = 149,502,489.08 × 61,205,119.65 - Step 4: Simplify right side
99,668,326.05x = 9,150,317,731,808,192 - Step 5: Solve for x
x = 9,150,317,731,808,192/99,668,326.05 - Step 6: Final answer
x = 91,807,679.48
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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.