Finding the Fourth Proportional to 155,337,249.09, 214,369,948.47 and 84,777,384.95
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Solution
The fourth proportional to 155,337,249.09, 214,369,948.47 and 84,777,384.95 is: 116,995,271.57
Step by Step Solution
- Step 1: Write the proportion equation
155,337,249.09 : 214,369,948.47 = 84,777,384.95 : x - Step 2: Convert to fraction form
155,337,249.09/214,369,948.47 = 84,777,384.95/x - Step 3: Cross multiply
155,337,249.09x = 214,369,948.47 × 84,777,384.95 - Step 4: Simplify right side
155,337,249.09x = 18,173,723,642,081,004 - Step 5: Solve for x
x = 18,173,723,642,081,004/155,337,249.09 - Step 6: Final answer
x = 116,995,271.57
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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.