Finding the Fourth Proportional to 114,781,251.96, 172,209,056.94 and 68,715,916.92
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Solution
The fourth proportional to 114,781,251.96, 172,209,056.94 and 68,715,916.92 is: 103,096,133.28
Step by Step Solution
- Step 1: Write the proportion equation
114,781,251.96 : 172,209,056.94 = 68,715,916.92 : x - Step 2: Convert to fraction form
114,781,251.96/172,209,056.94 = 68,715,916.92/x - Step 3: Cross multiply
114,781,251.96x = 172,209,056.94 × 68,715,916.92 - Step 4: Simplify right side
114,781,251.96x = 11,833,503,249,560,590 - Step 5: Solve for x
x = 11,833,503,249,560,590/114,781,251.96 - Step 6: Final answer
x = 103,096,133.28
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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.