Finding the Fourth Proportional to 81,028,393.84, 111,819,187.29 and 44,358,964.84
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Solution
The fourth proportional to 81,028,393.84, 111,819,187.29 and 44,358,964.84 is: 61,215,373.55
Step by Step Solution
- Step 1: Write the proportion equation
81,028,393.84 : 111,819,187.29 = 44,358,964.84 : x - Step 2: Convert to fraction form
81,028,393.84/111,819,187.29 = 44,358,964.84/x - Step 3: Cross multiply
81,028,393.84x = 111,819,187.29 × 44,358,964.84 - Step 4: Simplify right side
81,028,393.84x = 4,960,183,397,434,486 - Step 5: Solve for x
x = 4,960,183,397,434,486/81,028,393.84 - Step 6: Final answer
x = 61,215,373.55
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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.