Finding the Fourth Proportional to 75,818,581.74, 113,727,868.97 and 21,239,248.41
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Solution
The fourth proportional to 75,818,581.74, 113,727,868.97 and 21,239,248.41 is: 31,858,871.59
Step by Step Solution
- Step 1: Write the proportion equation
75,818,581.74 : 113,727,868.97 = 21,239,248.41 : x - Step 2: Convert to fraction form
75,818,581.74/113,727,868.97 = 21,239,248.41/x - Step 3: Cross multiply
75,818,581.74x = 113,727,868.97 × 21,239,248.41 - Step 4: Simplify right side
75,818,581.74x = 2,415,494,460,087,564.50 - Step 5: Solve for x
x = 2,415,494,460,087,564.50/75,818,581.74 - Step 6: Final answer
x = 31,858,871.59
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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.