Finding the Fourth Proportional to 61,786,769.40, 92,643,159.65 and 20,845,301.99
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Solution
The fourth proportional to 61,786,769.40, 92,643,159.65 and 20,845,301.99 is: 31,255,471.98
Step by Step Solution
- Step 1: Write the proportion equation
61,786,769.40 : 92,643,159.65 = 20,845,301.99 : x - Step 2: Convert to fraction form
61,786,769.40/92,643,159.65 = 20,845,301.99/x - Step 3: Cross multiply
61,786,769.40x = 92,643,159.65 × 20,845,301.99 - Step 4: Simplify right side
61,786,769.40x = 1,931,174,639,644,590.25 - Step 5: Solve for x
x = 1,931,174,639,644,590.25/61,786,769.40 - Step 6: Final answer
x = 31,255,471.98
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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.