Finding the Fourth Proportional to 118,518,169.73, 177,423,056.74 and 71,689,939.18
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Solution
The fourth proportional to 118,518,169.73, 177,423,056.74 and 71,689,939.18 is: 107,320,659.57
Step by Step Solution
- Step 1: Write the proportion equation
118,518,169.73 : 177,423,056.74 = 71,689,939.18 : x - Step 2: Convert to fraction form
118,518,169.73/177,423,056.74 = 71,689,939.18/x - Step 3: Cross multiply
118,518,169.73x = 177,423,056.74 × 71,689,939.18 - Step 4: Simplify right side
118,518,169.73x = 12,719,448,146,466,344 - Step 5: Solve for x
x = 12,719,448,146,466,344/118,518,169.73 - Step 6: Final answer
x = 107,320,659.57
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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.