Finding the Fourth Proportional to 120,746,804.36, 181,139,263.68 and 51,660,055.62
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Solution
The fourth proportional to 120,746,804.36, 181,139,263.68 and 51,660,055.62 is: 77,498,236.80
Step by Step Solution
- Step 1: Write the proportion equation
120,746,804.36 : 181,139,263.68 = 51,660,055.62 : x - Step 2: Convert to fraction form
120,746,804.36/181,139,263.68 = 51,660,055.62/x - Step 3: Cross multiply
120,746,804.36x = 181,139,263.68 × 51,660,055.62 - Step 4: Simplify right side
120,746,804.36x = 9,357,664,436,686,758 - Step 5: Solve for x
x = 9,357,664,436,686,758/120,746,804.36 - Step 6: Final answer
x = 77,498,236.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.