Finding the Fourth Proportional to 70,944,554.09, 97,906,332.28 and 39,585,342.20
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Solution
The fourth proportional to 70,944,554.09, 97,906,332.28 and 39,585,342.20 is: 54,629,361.15
Step by Step Solution
- Step 1: Write the proportion equation
70,944,554.09 : 97,906,332.28 = 39,585,342.20 : x - Step 2: Convert to fraction form
70,944,554.09/97,906,332.28 = 39,585,342.20/x - Step 3: Cross multiply
70,944,554.09x = 97,906,332.28 × 39,585,342.20 - Step 4: Simplify right side
70,944,554.09x = 3,875,655,667,051,155.50 - Step 5: Solve for x
x = 3,875,655,667,051,155.50/70,944,554.09 - Step 6: Final answer
x = 54,629,361.15
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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.