Finding the Fourth Proportional to 221,732,157.58, 305,992,357.41 and 122,619,611.50
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Solution
The fourth proportional to 221,732,157.58, 305,992,357.41 and 122,619,611.50 is: 169,216,158.80
Step by Step Solution
- Step 1: Write the proportion equation
221,732,157.58 : 305,992,357.41 = 122,619,611.50 : x - Step 2: Convert to fraction form
221,732,157.58/305,992,357.41 = 122,619,611.50/x - Step 3: Cross multiply
221,732,157.58x = 305,992,357.41 × 122,619,611.50 - Step 4: Simplify right side
221,732,157.58x = 37,520,663,987,583,352 - Step 5: Solve for x
x = 37,520,663,987,583,352/221,732,157.58 - Step 6: Final answer
x = 169,216,158.80
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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.