Finding the Fourth Proportional to 56,160,461.73, 77,504,430.98 and 31,381,250.09
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Solution
The fourth proportional to 56,160,461.73, 77,504,430.98 and 31,381,250.09 is: 43,307,797.99
Step by Step Solution
- Step 1: Write the proportion equation
56,160,461.73 : 77,504,430.98 = 31,381,250.09 : x - Step 2: Convert to fraction form
56,160,461.73/77,504,430.98 = 31,381,250.09/x - Step 3: Cross multiply
56,160,461.73x = 77,504,430.98 × 31,381,250.09 - Step 4: Simplify right side
56,160,461.73x = 2,432,185,931,616,943.50 - Step 5: Solve for x
x = 2,432,185,931,616,943.50/56,160,461.73 - Step 6: Final answer
x = 43,307,797.99
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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.