Finding the Fourth Proportional to 165,207,762.29, 247,839,875.58 and 68,110,391.52
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Solution
The fourth proportional to 165,207,762.29, 247,839,875.58 and 68,110,391.52 is: 102,177,226.58
Step by Step Solution
- Step 1: Write the proportion equation
165,207,762.29 : 247,839,875.58 = 68,110,391.52 : x - Step 2: Convert to fraction form
165,207,762.29/247,839,875.58 = 68,110,391.52/x - Step 3: Cross multiply
165,207,762.29x = 247,839,875.58 × 68,110,391.52 - Step 4: Simplify right side
165,207,762.29x = 16,880,470,960,021,886 - Step 5: Solve for x
x = 16,880,470,960,021,886/165,207,762.29 - Step 6: Final answer
x = 102,177,226.58
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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.