Finding the Fourth Proportional to 107,842,819.20, 161,764,228.80 and 59,973,763.20
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Solution
The fourth proportional to 107,842,819.20, 161,764,228.80 and 59,973,763.20 is: 89,960,644.80
Step by Step Solution
- Step 1: Write the proportion equation
107,842,819.20 : 161,764,228.80 = 59,973,763.20 : x - Step 2: Convert to fraction form
107,842,819.20/161,764,228.80 = 59,973,763.20/x - Step 3: Cross multiply
107,842,819.20x = 161,764,228.80 × 59,973,763.20 - Step 4: Simplify right side
107,842,819.20x = 9,701,609,552,281,822 - Step 5: Solve for x
x = 9,701,609,552,281,822/107,842,819.20 - Step 6: Final answer
x = 89,960,644.80
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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.