Finding the Fourth Proportional to 185,924,532.06, 278,920,842.42 and 76,690,112.58
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Solution
The fourth proportional to 185,924,532.06, 278,920,842.42 and 76,690,112.58 is: 115,049,211.47
Step by Step Solution
- Step 1: Write the proportion equation
185,924,532.06 : 278,920,842.42 = 76,690,112.58 : x - Step 2: Convert to fraction form
185,924,532.06/278,920,842.42 = 76,690,112.58/x - Step 3: Cross multiply
185,924,532.06x = 278,920,842.42 × 76,690,112.58 - Step 4: Simplify right side
185,924,532.06x = 21,390,470,806,098,240 - Step 5: Solve for x
x = 21,390,470,806,098,240/185,924,532.06 - Step 6: Final answer
x = 115,049,211.47
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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.