Finding the Fourth Proportional to 108,753,620.80, 163,219,660.80 and 107,903,315.20
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Solution
The fourth proportional to 108,753,620.80, 163,219,660.80 and 107,903,315.20 is: 161,943,504.75
Step by Step Solution
- Step 1: Write the proportion equation
108,753,620.80 : 163,219,660.80 = 107,903,315.20 : x - Step 2: Convert to fraction form
108,753,620.80/163,219,660.80 = 107,903,315.20/x - Step 3: Cross multiply
108,753,620.80x = 163,219,660.80 × 107,903,315.20 - Step 4: Simplify right side
108,753,620.80x = 17,611,942,506,139,486 - Step 5: Solve for x
x = 17,611,942,506,139,486/108,753,620.80 - Step 6: Final answer
x = 161,943,504.75
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.