Finding the Fourth Proportional to 124,533,291.70, 186,879,653.70 and 72,717,794.20
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Solution
The fourth proportional to 124,533,291.70, 186,879,653.70 and 72,717,794.20 is: 109,123,239.36
Step by Step Solution
- Step 1: Write the proportion equation
124,533,291.70 : 186,879,653.70 = 72,717,794.20 : x - Step 2: Convert to fraction form
124,533,291.70/186,879,653.70 = 72,717,794.20/x - Step 3: Cross multiply
124,533,291.70x = 186,879,653.70 × 72,717,794.20 - Step 4: Simplify right side
124,533,291.70x = 13,589,476,197,923,868 - Step 5: Solve for x
x = 13,589,476,197,923,868/124,533,291.70 - Step 6: Final answer
x = 109,123,239.36
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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.