Finding the Fourth Proportional to 194,797,421.16, 268,824,792.69 and 111,163,886.70
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Solution
The fourth proportional to 194,797,421.16, 268,824,792.69 and 111,163,886.70 is: 153,408,646.88
Step by Step Solution
- Step 1: Write the proportion equation
194,797,421.16 : 268,824,792.69 = 111,163,886.70 : x - Step 2: Convert to fraction form
194,797,421.16/268,824,792.69 = 111,163,886.70/x - Step 3: Cross multiply
194,797,421.16x = 268,824,792.69 × 111,163,886.70 - Step 4: Simplify right side
194,797,421.16x = 29,883,608,796,742,148 - Step 5: Solve for x
x = 29,883,608,796,742,148/194,797,421.16 - Step 6: Final answer
x = 153,408,646.88
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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.