Finding the Fourth Proportional to 77,295,677.80, 106,668,257.06 and 44,256,433.96
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Solution
The fourth proportional to 77,295,677.80, 106,668,257.06 and 44,256,433.96 is: 61,074,005.80
Step by Step Solution
- Step 1: Write the proportion equation
77,295,677.80 : 106,668,257.06 = 44,256,433.96 : x - Step 2: Convert to fraction form
77,295,677.80/106,668,257.06 = 44,256,433.96/x - Step 3: Cross multiply
77,295,677.80x = 106,668,257.06 × 44,256,433.96 - Step 4: Simplify right side
77,295,677.80x = 4,720,756,674,204,194 - Step 5: Solve for x
x = 4,720,756,674,204,194/77,295,677.80 - Step 6: Final answer
x = 61,074,005.80
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.