Finding the Fourth Proportional to 194,321,557.76, 268,163,522.48 and 106,216,134.08
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Solution
The fourth proportional to 194,321,557.76, 268,163,522.48 and 106,216,134.08 is: 146,578,140.83
Step by Step Solution
- Step 1: Write the proportion equation
194,321,557.76 : 268,163,522.48 = 106,216,134.08 : x - Step 2: Convert to fraction form
194,321,557.76/268,163,522.48 = 106,216,134.08/x - Step 3: Cross multiply
194,321,557.76x = 268,163,522.48 × 106,216,134.08 - Step 4: Simplify right side
194,321,557.76x = 28,483,292,659,100,772 - Step 5: Solve for x
x = 28,483,292,659,100,772/194,321,557.76 - Step 6: Final answer
x = 146,578,140.83
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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.