Finding the Fourth Proportional to 87,841,546.47, 121,221,345.42 and 48,685,851.09
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Solution
The fourth proportional to 87,841,546.47, 121,221,345.42 and 48,685,851.09 is: 67,186,480.76
Step by Step Solution
- Step 1: Write the proportion equation
87,841,546.47 : 121,221,345.42 = 48,685,851.09 : x - Step 2: Convert to fraction form
87,841,546.47/121,221,345.42 = 48,685,851.09/x - Step 3: Cross multiply
87,841,546.47x = 121,221,345.42 × 48,685,851.09 - Step 4: Simplify right side
87,841,546.47x = 5,901,764,372,047,574 - Step 5: Solve for x
x = 5,901,764,372,047,574/87,841,546.47 - Step 6: Final answer
x = 67,186,480.76
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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.