Finding the Fourth Proportional to 140,246,906.29, 193,559,955.68 and 80,706,979.46
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Solution
The fourth proportional to 140,246,906.29, 193,559,955.68 and 80,706,979.46 is: 111,386,694.95
Step by Step Solution
- Step 1: Write the proportion equation
140,246,906.29 : 193,559,955.68 = 80,706,979.46 : x - Step 2: Convert to fraction form
140,246,906.29/193,559,955.68 = 80,706,979.46/x - Step 3: Cross multiply
140,246,906.29x = 193,559,955.68 × 80,706,979.46 - Step 4: Simplify right side
140,246,906.29x = 15,621,639,368,029,940 - Step 5: Solve for x
x = 15,621,639,368,029,940/140,246,906.29 - Step 6: Final answer
x = 111,386,694.95
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.