Finding the Fourth Proportional to 98,416,201.20, 147,624,301.80 and 47,285,890.80
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Solution
The fourth proportional to 98,416,201.20, 147,624,301.80 and 47,285,890.80 is: 70,928,836.20
Step by Step Solution
- Step 1: Write the proportion equation
98,416,201.20 : 147,624,301.80 = 47,285,890.80 : x - Step 2: Convert to fraction form
98,416,201.20/147,624,301.80 = 47,285,890.80/x - Step 3: Cross multiply
98,416,201.20x = 147,624,301.80 × 47,285,890.80 - Step 4: Simplify right side
98,416,201.20x = 6,980,546,614,341,044 - Step 5: Solve for x
x = 6,980,546,614,341,044/98,416,201.20 - Step 6: Final answer
x = 70,928,836.20
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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.