Finding the Fourth Proportional to 126,697,828.70, 190,118,635.95 and 68,404,729.88
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Solution
The fourth proportional to 126,697,828.70, 190,118,635.95 and 68,404,729.88 is: 102,645,910.12
Step by Step Solution
- Step 1: Write the proportion equation
126,697,828.70 : 190,118,635.95 = 68,404,729.88 : x - Step 2: Convert to fraction form
126,697,828.70/190,118,635.95 = 68,404,729.88/x - Step 3: Cross multiply
126,697,828.70x = 190,118,635.95 × 68,404,729.88 - Step 4: Simplify right side
126,697,828.70x = 13,005,013,937,313,806 - Step 5: Solve for x
x = 13,005,013,937,313,806/126,697,828.70 - Step 6: Final answer
x = 102,645,910.12
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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.