Finding the Fourth Proportional to 303,315,291.99, 454,985,886.24 and 119,122,686.81
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Solution
The fourth proportional to 303,315,291.99, 454,985,886.24 and 119,122,686.81 is: 178,689,115.45
Step by Step Solution
- Step 1: Write the proportion equation
303,315,291.99 : 454,985,886.24 = 119,122,686.81 : x - Step 2: Convert to fraction form
303,315,291.99/454,985,886.24 = 119,122,686.81/x - Step 3: Cross multiply
303,315,291.99x = 454,985,886.24 × 119,122,686.81 - Step 4: Simplify right side
303,315,291.99x = 54,199,141,229,537,808 - Step 5: Solve for x
x = 54,199,141,229,537,808/303,315,291.99 - Step 6: Final answer
x = 178,689,115.45
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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.