Finding the Fourth Proportional to 129,668,848.26, 194,191,611.99 and 74,168,425.71
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Solution
The fourth proportional to 129,668,848.26, 194,191,611.99 and 74,168,425.71 is: 111,074,374.00
Step by Step Solution
- Step 1: Write the proportion equation
129,668,848.26 : 194,191,611.99 = 74,168,425.71 : x - Step 2: Convert to fraction form
129,668,848.26/194,191,611.99 = 74,168,425.71/x - Step 3: Cross multiply
129,668,848.26x = 194,191,611.99 × 74,168,425.71 - Step 4: Simplify right side
129,668,848.26x = 14,402,886,147,385,460 - Step 5: Solve for x
x = 14,402,886,147,385,460/129,668,848.26 - Step 6: Final answer
x = 111,074,374.00
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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.