Finding the Fourth Proportional to 72,073,244.73, 99,460,584.81 and 39,032,733.99
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Solution
The fourth proportional to 72,073,244.73, 99,460,584.81 and 39,032,733.99 is: 53,864,905.96
Step by Step Solution
- Step 1: Write the proportion equation
72,073,244.73 : 99,460,584.81 = 39,032,733.99 : x - Step 2: Convert to fraction form
72,073,244.73/99,460,584.81 = 39,032,733.99/x - Step 3: Cross multiply
72,073,244.73x = 99,460,584.81 × 39,032,733.99 - Step 4: Simplify right side
72,073,244.73x = 3,882,218,549,378,565 - Step 5: Solve for x
x = 3,882,218,549,378,565/72,073,244.73 - Step 6: Final answer
x = 53,864,905.96
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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.