Finding the Fourth Proportional to 194,842,447.74, 268,880,437.28 and 105,532,169.99
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Solution
The fourth proportional to 194,842,447.74, 268,880,437.28 and 105,532,169.99 is: 145,633,235.18
Step by Step Solution
- Step 1: Write the proportion equation
194,842,447.74 : 268,880,437.28 = 105,532,169.99 : x - Step 2: Convert to fraction form
194,842,447.74/268,880,437.28 = 105,532,169.99/x - Step 3: Cross multiply
194,842,447.74x = 268,880,437.28 × 105,532,169.99 - Step 4: Simplify right side
194,842,447.74x = 28,375,536,014,018,488 - Step 5: Solve for x
x = 28,375,536,014,018,488/194,842,447.74 - Step 6: Final answer
x = 145,633,235.18
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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.