Finding the Fourth Proportional to 119,970,011.84, 179,917,821.12 and 43,283,073.92
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Solution
The fourth proportional to 119,970,011.84, 179,917,821.12 and 43,283,073.92 is: 64,911,190.99
Step by Step Solution
- Step 1: Write the proportion equation
119,970,011.84 : 179,917,821.12 = 43,283,073.92 : x - Step 2: Convert to fraction form
119,970,011.84/179,917,821.12 = 43,283,073.92/x - Step 3: Cross multiply
119,970,011.84x = 179,917,821.12 × 43,283,073.92 - Step 4: Simplify right side
119,970,011.84x = 7,787,396,351,062,298 - Step 5: Solve for x
x = 7,787,396,351,062,298/119,970,011.84 - Step 6: Final answer
x = 64,911,190.99
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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.