Finding the Fourth Proportional to 197,621,392.68, 272,714,192.37 and 109,515,210.84
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Solution
The fourth proportional to 197,621,392.68, 272,714,192.37 and 109,515,210.84 is: 151,129,145.85
Step by Step Solution
- Step 1: Write the proportion equation
197,621,392.68 : 272,714,192.37 = 109,515,210.84 : x - Step 2: Convert to fraction form
197,621,392.68/272,714,192.37 = 109,515,210.84/x - Step 3: Cross multiply
197,621,392.68x = 272,714,192.37 × 109,515,210.84 - Step 4: Simplify right side
197,621,392.68x = 29,866,352,276,460,872 - Step 5: Solve for x
x = 29,866,352,276,460,872/197,621,392.68 - Step 6: Final answer
x = 151,129,145.85
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.