Finding the Fourth Proportional to 54,018,601.68, 74,545,668.18 and 29,572,315.68
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Solution
The fourth proportional to 54,018,601.68, 74,545,668.18 and 29,572,315.68 is: 40,809,794.47
Step by Step Solution
- Step 1: Write the proportion equation
54,018,601.68 : 74,545,668.18 = 29,572,315.68 : x - Step 2: Convert to fraction form
54,018,601.68/74,545,668.18 = 29,572,315.68/x - Step 3: Cross multiply
54,018,601.68x = 74,545,668.18 × 29,572,315.68 - Step 4: Simplify right side
54,018,601.68x = 2,204,488,031,995,491.25 - Step 5: Solve for x
x = 2,204,488,031,995,491.25/54,018,601.68 - Step 6: Final answer
x = 40,809,794.47
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.